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OperatingOperatingOperatingOperating ManualManualManualManual
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi DoubleDoubleDoubleDouble (Single)(Single)(Single)(Single) RamRamRamRamBOPBOPBOPBOP
(shear(shear(shear(shear type)type)type)type)
RongshengRongshengRongshengRongshengMachineryMachineryMachineryMachinery ManufactureManufactureManufactureManufacture Ltd.Ltd.Ltd.Ltd. OfOfOfOfHuabeiHuabeiHuabeiHuabei Oilfield,Oilfield,Oilfield,Oilfield, HebeiHebeiHebeiHebei
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
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CatalogCatalogCatalogCatalog1. APPLICATION...................................................................................................................12. TECHNICAL PARAMETER................................................................................................... 1
2.1 RS Ram BOP.............................................................................................................. 12.2 Technical parameter of shear ram BOP....................................................................... 3
3. WORKING PRINCIPLE........................................................................................................ 63.1 Working Principle of opening and closing operation..................................................... 63.2 Well pressure principle of sealing................................................................................ 8
4. STRUCTURE AND FEATURES OF MAIN PARTS................................................................94.1 Structure features........................................................................................................ 94.2 Pipe ram assembly.................................................................................................... 104.3 Shear Ram.......................................................................................................... 124.4 Ram Shaft Sealing Mechanism.............................................................................. 134.5 Second Sealing Mechanism................................................................................... 154.6 Locking Shaft Sealing Shaft Sealing Mechanism......................................................16
5. Details of products.............................................................................................................. 17
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
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1.1.1.1. APPLICATIONAPPLICATIONAPPLICATIONAPPLICATION
Ram Bop is a key part of well-control equipment. It’s used forcontrolling wellhead pressure during well drilling, workovering andtesting, etc., effectively preventing well blowout and realizing civilizedand safe construction. It can be used for the following:
☆ With proper pipe ram sealing the annular space between casingand drilling string when there is pipe in the hole.
☆ With blind ram, completely sealing wellhead when there is nopipe in the hole.
☆ When in emergent condition, the shear ram will cut off pipe in thewell and close wellhead.
☆ When the well head is closed, with killing manifold and chokemanifold connected to the spool and the outlet of the body doingmud circulating, choking and releasing, well killing and wellcleaning, etc..
☆ With killing manifold and choke manifold, effectively controllingbottom hole pressure to achieve balance of bottom holepressure.
2.2.2.2. TECHNICALTECHNICALTECHNICALTECHNICAL PARAMETERPARAMETERPARAMETERPARAMETER
2.12.12.12.1 RSRSRSRS RamRamRamRam BOPBOPBOPBOP
1)Model Indication
××× ×× ——××
Rated working pressure(MPa)
Bore size code
Product code
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Product code:FZ- single ram BOP2FZ- double ram BOP3FZ- Three ram BOP
Bore size code sees the following list:
List 1
Code Bore size Code Bore size
18 7 161 〃 48 18 4
3 〃
23 9〃 53 20 43 〃
28 11〃 54 21 41 〃
35 13 85 〃 68 26 4
3 〃
43 16 43 〃 76 30〃
Rated working pressure: six grades, sees the following list:
List 2
14MPa(2,000psi), 21MPa(3,000psi) 35MPa(5,000psi)
70MPa(10,000psi) 105MPa(15,000psi) 140 MPa(20,000psi)
2)Temperature grades of metal material
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List 3
Temperature
grade codeCode of API
Working temperature
scope
T75 75 -59~121℃(-75~50℉)
T20 20 -29~121℃(-20~250 ℉)
T0 00 -18~121℃(0~250 ℉)
3)Temperature grades of non-metal material contacting well fluid:
Use two letters to indicate up and down limits:
Down limit (First place) Up limit (Second place)
A 15℉(-26℃) A 180℉(82℃)
B 0℉(-17.8℃) B 200℉(93℃)
C 10℉(-12.2℃) C 220℉(104℃)
D 20℉(-6.7℃) D 250℉(121℃)
E 30℉(-1℃) E 300℉(149℃)
X 40℉(4℃) X 180℉(82℃)
For example AB means the temperature range is -26℃~93℃. The
temperature grade will remark on the seals.
2.22.22.22.2 TechnicalTechnicalTechnicalTechnical parameterparameterparameterparameter ofofofof shearshearshearshear ramramramramBOPBOPBOPBOP
See the following list:
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List 4 Technical parameter of shear ram BOP
Item Single Ram BOP Double Ram BOPSize 13 5/8”-5000psi 13 5/8”-5000psiTop connection type Studded Flanged Studded Flanged Studded Flanged Studded Flanged
Bottom connection type Flanged Studded Studded Flanged Flanged Studded Studded Flanged
3620 3620 3920 6420 6420 5300 6720
Weight 710 930 1145 1145 920 1365
Bore 346.1mm (13 5/8″)Hydrostatic pressure testingpressure
70MPa (10,000psi)
Rated working pressure 35MPa (5,000psi)Hydraulic controlled ratedworking pressure
21MPa(3,000psi)
Recommended hydrauliccontrolled operating pressure
8.4~10 .5MPa(1,200~1,500psi)
Diameter of cylinder 340mmRatio of closing 1:9.6Stroke of piston 220mmOpen one set of ram oil volume 36 LClose one set of ram oil volume 40 LSize of outlet note1 3 1/8″-5,000psiQuantity of outletsnote1 1 2Temperature grade note1 T20(-29~121℃) , T75(-59~121℃)
OtherOtherOtherOther notesnotesnotesnotes:BOPBOPBOPBOP designdesigndesigndesign andandandandmanufacturemanufacturemanufacturemanufacture areareareare allallallall meetmeetmeetmeet thethethethe normalnormalnormalnormal APIAPIAPIAPI SpecSpecSpecSpec 16A16A16A16A。CanCanCanCan provideprovideprovideprovide BOPBOPBOPBOP usedusedusedused inininin HHHH2222SSSS environmentenvironmentenvironmentenvironment, sosososo meetsmeetsmeetsmeets requirementsrequirementsrequirementsrequirements ofofofof NACENACENACENACEMR-01-75MR-01-75MR-01-75MR-01-75。Note1:Note1:Note1:Note1:
1.1.1.1. The size and quantity of outlets may be different from different contracts.2.2.2.2. The temperature grade can be chosen according to different contracts.
List 5 Ram sizes for fitting
C.S.O.,2 3/8″,2 7/8″,3 1/2″,4″,4 1/2″,5″,5 1/2″, 6 5/8″, 7″, 9 5/8″,5″~5 1/2″variable ram,2 7/8″~5″variable ram,shear ram
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Figure 1 13 5/8”-5000psi Ram BOP
Figure 2 13 5/8”-5000psi Double Ram BOP
135/8135/8135/8135/8””””-3000psi-3000psi-3000psi-3000psi RamRamRamRam BOPBOPBOPBOP
3.3.3.3. WORKINGWORKINGWORKINGWORKING PRINCIPLEPRINCIPLEPRINCIPLEPRINCIPLE
3.13.13.13.1 WorkingWorkingWorkingWorking PrinciplePrinciplePrinciplePrinciple ofofofof openingopeningopeningopening andandandand closingclosingclosingclosing operationoperationoperationoperation
When pressure oil of hydraulic pressure system is pumped into the closing
cavity of left and right cylinder, it pushes the piston with the ram shaft and ram
assembly to move to the center along the orbit limited by the body ram
chamber, realizing well sealing. When pressure oil is pumped into the opening
cavity of left and right cylinder, it pushes the piston with the ram shaft and left
and right ram assembly to move away from the center, opening the wellhead.
The ram switch is controlled by the conversion valve of the hydraulic pressure
system. Normally, opening and closing operation can be accomplished in 3~5
seconds (but related to the hydraulic control system state, pipe line
specification and distance). When the ram should be locked tightly, do
manual control operation solely.
For manual locking mechanism, see the following product structure figure:
Figure 3 Manual lock system: locking and close position
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Figure 4 Manual lock system: unlocking and open position
The ram manual locking mechanism consists of locking shaft, ram shaft, manual
operation rod and hand wheel. Manual locking system closes and locks the ram by the
manual wheel. Its application is to seal the well for a long time, lock the rams in
closing position after close the rams with hydraulic system. At this time, the hydraulic
pressure can be released. After closing the rams with hydraulic pressure, turn the hand
wheel to the right, drive the locking shaft rotation through operating rod. Because the
locking shaft shoulder presses against the cylinder head, it can not go back, thus it can
only drive the ram shaft to move toward the well head center and locking the rams.
Manual-lock system can only close the rams, but can not open the rams. If you want to
open the rams closed by manual system, you must unlock the system to original
position and then open the ram with hydraulic pressure. It is the only method to open
the rams. The operation procedure is as following: Turn the hand wheel to the left until
dead end, then turn back 1/8~1/4 circle to avoid the locking shaft from blocking at the
unlocking position because of temperature change. Open the rams with hydraulic
pressure.
When using normal ram, turn locking shaft 26~27.5 circles by using manual
lock. When seal 5” drill pipe by 2 7/8”~5” variable ram, turn locking shaft
23~27.5 circles by using manual lock.
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Figure 5 Oil road of ram manual lock system
3.23.23.23.2 WellWellWellWell pressurepressurepressurepressure principleprincipleprincipleprinciple ofofofof sealingsealingsealingsealing
Ram BOP has four sealing parts in order to shut off the well head
effectively. The ram top seal and body seal; the ram front seal and pipe column,
body and sealing between the pipe and the ram front seal; sealing between the
body and the side door; sealing between the ram shaft and the side door.
Procedure of the ram sealing divided into two steps: First the ram shaft affected
by hydraulic oil pushes the ram front seal rubber to press the front part of
sealing distorted. Over compression between the top seal rubber and the body
seals the top part and accomplishes primary sealing. Second when there is
pressure in the well, the well pressure pushes the ram front seal front back part
of the ram to extrude distoration more deeply, at the same time, well pressure
pushes the ram up against the body seal face, thus making reliable sealing.
This is called "well pressure assisting sealing".
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4.4.4.4. STRUCTURESTRUCTURESTRUCTURESTRUCTURE ANDANDANDAND FEATURESFEATURESFEATURESFEATURES OFOFOFOF MAINMAINMAINMAIN PARTSPARTSPARTSPARTS
4.14.14.14.1 StructureStructureStructureStructure featuresfeaturesfeaturesfeatures
� Main pressure-bearing assemblies such as the body and the side door are
casted with alloysteel of high strength and high toughness and properly
heat treated before leaving the factory, the BOP is water pressure tested to
ensure safety during operating under working pressure.
� There are high supporting ribs and obligue plane for settling sand sloping to
the well hole at the bottom of the ram cavity of the body, desanding autoly
when opening and closing the ram, reducing friction of the ram. It is also
helpful for well pressure assisting ram seal.
� Using floating ram sealing can reduce the resistance force of opening and
closing the ram, wearing of the ram rubbers, prolonging the ram life and
also preventing rustness between the body and the ram, accessible for
changing.
� Hydraulic pipe is used with buried structure to avoid damaging the pipe
during installating, transporting and operating.
� The top seal surface of inner cavity of body has been done anti-chemical
corrosion treatment. The gasket groove of flange, sealing ring groove of
bonnet and packing hole of ram shaft has been built-welded with stainless
steel. The retainer ring of ram shaft packing is manufactured by special
stainless steel with good anti-corrosive performance.
� Parts and its surfaces of contacting with fluid in inner cavity of BOP can be
H2S-service. It per to standard of NACE MR0175.
� Size of outer coupling conforms to API 16A specification.
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4.24.24.24.2 PipePipePipePipe ramramramram assemblyassemblyassemblyassembly
13 5/8"-5000psi shear ram BOP has two type structures of ram assembly.
One type is one-piece ram, namely HF type. It is new structure. The other type
is two-pieces ram, namely S type. It is old structure. These two types of
structure can be used in BOP introduced in this operating manual.
Figure 6 HF type pipe ram
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List 6:Part List of HF type Ram Assembly
Item 1 2 3
Description Assembly Top Seal Front Seal Ram Block
QtySize
1 1 1
C.S.O FZ897.21.01.00 FZ897.21.01.01 RJ11148.09.01.02 FZ897.21.01.03
2 3/8" FZ897.21.02.00 FZ897.21.01.01 RJ11148.09.08.02 FZ897.21.02.03
2 7/8" FZ897.21.03.00 FZ897.21.01.01 RJ11148.09.02.02 FZ897.21.03.03
3 1/2" FZ897.21.04.00 FZ897.21.01.01 RJ11148.09.03.02 FZ897.21.04.03
3 1/2" Dual FZ897.21.10.00 FZ897.21.01.01 RJ11148.09.16.02 FZ897.21.10.03
4 1/2" FZ897.21.05.00 FZ897.21.01.01 RJ11148.09.13.02 FZ897.21.05.03
5" FZ897.21.06.00 FZ897.21.01.01 RJ11148.09.04.02 FZ897.21.06.03
5 1/2" FZ897.21.07.00 FZ897.21.01.01 RJ11148.09.05.02 FZ897.21.07.03
6 5/8" FZ897.21.10.00 FZ897.21.01.01 RJ11148.09.11.02 FZ897.21.10.03
7" FZ897.21.08.00 FZ897.21.01.01 RJ11148.09.06.02 FZ897.21.08.03
9 5/8" FZ897.21.09.00 FZ897.21.01.01 RJ11148.09.07.02 FZ897.21.09.03
10 3/4" FZ897.21.13.00 FZ897.21.01.01 RJ11148.09.17.02 FZ897.21.13.03
5"-5 1/2" FZ897.21.11.00 FZ897.21.01.01 RJ11148.09.14.02 FZ897.21.11.03
2 7/8"-5" RS11172.16.00 RS11172.16.03 RS11172.16.02 RS11172.16.01
List 7:Part List of S type Ram Assembly
Item 1 2 3 4 5
Description Assembly Sealing Element Ram Block Holder Ram Screw Screw
Qty
Size1 1 1 2 2
C.S.O F751.14.24.00 F751.14.24.02.00 F751.14.24.01 F751.14.24.03.00 F751.14.24.04.03GB70-85
M12×60
2 3/8" F751.14.04.09.00 F751.14.04.09.02.00 F751.14.04.09.01 F751.14.24.03.00 F751.14.24.04.03
2 7/8" F751.14.04.01.00 F751.14.04.01.02.00 F751.14.04.01.01 F751.14.24.03.00 F751.14.24.04.03
3 1/2" F751.14.04.02.00 F751.14.04.02.02.00 F751.14.04.02.01 F751.14.24.03.00 F751.14.24.04.03
4 1/2" F751.14.04.03.00 F751.14.04.03.02.00 F751.14.04.03.01 F751.14.24.03.00 F751.14.24.04.03
5" F751.14.04.04.00 F751.14.04.04.02.00 F751.14.04.04.01 F751.14.24.03.00 F751.14.24.04.03
5 1/2" F751.14.04.05.00 F751.14.04.05.02.00 F751.14.04.05.01 F751.14.24.03.00 F751.14.24.04.03
7" F751.14.04.06.00 F751.14.04.06.02.00 F751.14.04.06.01 F751.14.24.03.00 F751.14.24.04.03
9 5/8" F751.14.04.07.00 F751.14.04.07.02.00 F751.14.04.07.01 F751.14.24.03.00 F751.14.24.04.03
5-5 1/2"
variableF751.14.04.08.00 F751.14.04.08.02.00 F751.14.04.08.01 F751.14.24.03.00 F751.14.24.04.03
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4.34.34.34.3 ShearShearShearShear RamRamRamRam
Figure 7 Shear Ram
Shear Ram can cut off the pipe and seal the well complete。The installationof Shear Rams is same as normal size Ram.
List 8 Part List of Shear Ram
Item P/N Description Qty Remark
1 RJ11172.15.04 Ram Seals; Lower 1 sulphurised
2 RJ11172.15.03 Ram Block; Lower 1
3 RJ11172.15.02 Ram Seals; Upper 1 sulphurised
4 RJ11172.15.01 Ram Block; Upper 1
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Figure 8 Shear Ram
CautionCautionCautionCaution ofofofof ShearShearShearShear RamRamRamRam:
1) When the Shear Rams are used as Blind Ram , BOP control unit’soperating pressure is 8.4~10.5MPa(1200~1500psi);
2) normal size Ram can be exchanged with Shear Ram;
3) Shear Ram operation parameters:� BOP control unit’s closing pressure should be increased to 21MPa,and
accumulator’s pressure will be used;� Shear Ram 5″pipe,G-105,thickness 9.19mm,shear Ram’s closing
pressure≥14MPa;� The Max. working pressure is 35 MPa。▲▲▲▲!!!!CautionCautionCautionCaution::::ShearShearShearShear RamsRamsRamsRams areareareare notnotnotnot anti-H2S,anti-H2S,anti-H2S,anti-H2S, sosososo itititit mustmustmustmust bebebebe watchedwatchedwatchedwatchedoutoutoutout
totototo useuseuseuse thethethethe shearshearshearshear RamsRamsRamsRams inininin H2SH2SH2SH2S environmentenvironmentenvironmentenvironment....
4.44.44.44.4 RamRamRamRamShaftShaftShaftShaft SealingSealingSealingSealing MechanismMechanismMechanismMechanism
The seal system between ram shaft and bonnet is divided to two parts.
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Details as follows:
Figure 9 Ram Shaft Mechanism
List 9 Part list of Ram Shaft Mechanism
Item P/N Description Qty
1 Retainer 135 Retainer for hole 1
2 FZ897.1.14 Retainer Ring 1
3 FZ897.1.12 W-Ring 4
4 FZ897.1.13 Press Ring 1
5 130×3.1 O-Ring 2
6 FZ897.1.14 Adapter Sleeve 1
7 115×3.1 O-Ring 2
8 FZ897.1.30 Y-Ring 1
Note:The quantity listed in table is one bonnet’s parts’ quantity
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4.54.54.54.5 SecondSecondSecondSecond SealingSealingSealingSealing MechanismMechanismMechanismMechanism
Figure 10 Second Sealing Mechanism
Note: The ester bar hole’s position in the fig is at horizontal direction.
List 10:Parts’ List Second Sealing MechanismItem P/N Description Qty Remark
1 RJ11148.12 NPT 1 Plug 1 Hex. Wrench S=10
2 RJ11148.13 Press Plug 1 Hex. Wrench S=12
3 Second Sealing Ester Bar 1
4 RJ11148.14.00 Check Valve 1 Hex. Wrench S=12
5 RJ11148.21 Plug ZG1/2″ 1 Hex. Wrench S=10
The seal system between ram shaft and bonnet is divided to two parts.
One part is used to seal off well pressure, and another seal off control pressure.
(See Figure 8.) The secondary seal system is between the two parts. Usually,
the seal here is very reliable because it has several different seal rings and
O-ring in the middle. But they occasionally would be damaged for some reason.
In this case, when shut well, there will be leaking. So we need the secondary
seal system to treat it emergently.
During a well is shut off, if there is liquid flowing out from the seeing hole
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(at the bottom part of the bonnet), indicating that the seal rings has been
damaged and we can know that the seal on well side or the seal on control side
is damaged from the liquid. At this time, immediately remove the plug of the
grease injection pore, install club-shaped in the pore, and then turn the screw
clockwisely with an inner hex wrench to inject the tightened plug, and inject the
secondary seal grease across the radial hole of the check valve and supporting
seal sleeve in the circular seam so as to achieve the seal remedy.
Caution to use secondary seal system:
� To prevent the grease from being solidified after long time, we do not put
grease in BOP in factory. And while the BOP is not used, it is also
without this grease. Only before the BOP is used in site, put in the
grease. And after a well is completed and the BOP is inspected and
repaired, take out and clean the grease.
� Get special tool ready.
� During working should often notice the following notice hole plug (on it
there is little hole) if there is liquid flowing out.
� Don’t inject too much grease when seal ring is damaged. Proper inject
quantity is that there is no liquid flowing out. Because the secondary
seal grease is more frictional and with granule substance, it impairs the
ram shaft when it returns.
4.64.64.64.6 LockingLockingLockingLocking ShaftShaftShaftShaft SealingSealingSealingSealing ShaftShaftShaftShaft SealingSealingSealingSealingMechanismMechanismMechanismMechanism
Manual Locking Shaft Sealing Mechanism Structure:
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Figure 11 Locking Shaft Sealing Mechanism
List 11 Parts’ List Manual Locking Shaft Sealing Mechanism
Item P/N Description Qty
1 GB893.1-86 Retainer 95 1
2 F751.14.21 Retainer Sleeve 1
3 F751.14.20 W-Ring 13 3
4 F751.14.19 Press Ring 1
5 F751.14.18 Dust-proof ring Seat 1
6 F751.14.17 Dust- proof Ring 1
Note:the quantity list in table is one locking shaft’s parts’ quantity
5.5.5.5. DetailsDetailsDetailsDetails ofofofof productsproductsproductsproducts
Ram BOP with Manual Locking Mechanism is showed as Fig 6, 8, 9, 10, 11 and
Fig 12.
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Figure 12 Assembling Relation Drawing(Manual Locking)
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List 12 Part’s List(Manual Locking)
Item Description Qty P/N Remark1 Body(Single) 1 RJ11173.01
1A Body(Double) 1 RJ11172.012 Gasket 1 R353 Blind Flange 1 FZ902.24 Bolt 8 RS11709.07.035 Nut 8 RS11706.076 Pin 2 F9301.327 Ram Assembly See table 6,7,88 Ram Shaft 2 RJ11172.099 Seal; Bonnet 2 FZ897.1.3.0010 Seals; Ram Shaft 2 Sets. See table 9
11Second Sealing EsterBar
2 Sets. See table10
12 Bonnet; Right 1 RJ11172.0712A Bonnet; Left 1 RJ11172.0213 Bolt; Bonnet 16 RJ11172.1314 Cylinder 2 RJ11172.0815 Piston 2 RJ11172.1416 Seal; Piston 4 RJ11148.1517 Screw 4 M8×2518 Cylinder Head; Right 1 RJ11172.11
18A Cylinder Head; Left 1 RJ11172.0319 Nut 16 RJ11172.0520 Bolt 16 RJ11172.0421 Seals; Locking Shaft 2 Sets. See table 11
Item Description Qty P/N Remark22 Locking Shaft 2 RJ11172.1023 O-Ring 4 325×724 Locking Nut; Piston 2 FZ897.1.1125 O-Ring 2 110×5.726 O-Ring 8 26.5×3.5527 Pipe 2 RJ11172.1228 Plug R3/4 14 RJ11148.3729 O-Ring 4 32.5×3.5530 Bracket 4 RJ11172.0631 Position Pin 8 RJ11148.0632 Screw 8 RJ11148.0533 Screw 16 M20×10034 O-Ring 8 43.7×3.5535 O-Ring 2 43.7×3.5536 Screw 8 M12×4037 Port 2 F9301.3038 Plug MPT 1 2 F9301.29
39Manual Operationassembly
2 Sets. F751.17.00
Note:The quantity listed in table is Single Ram BOP’s parts’ quantity.
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Table 13 Repair kit(manual locking)
Item Description Quantity Part No. Remark
10
Sealing parts for ram shaft:
See table 9W-ring 7 FZ897.1.12
Press ring 2 FZ897.1.13
O-ring 2 130×3.1
O-ring 2 115×3.1
Y-ring 1 FZ897.1.30
21
Sealing parts for locking shaft:
See table 11W-ring 3 F751.14.20
Press ring 1 F751.14.19
Anti-rust
ring
1F751.14.17
16Sealing ringfor piston 2 RJ11148.15
23 O -ring 2 325×725 O -ring 1 110×5.726 O -ring 4 26.5×3.5529 O -ring 2 32.5×3.55
35 O -ring 5 43.7×3.55Including item
34
Note:One repair kit includes all the sealing parts for one bonnet assembly.
INSTALLATION,OPERATIONINSTALLATION,OPERATIONINSTALLATION,OPERATIONINSTALLATION,OPERATIONANDANDANDAND CAUTIONSCAUTIONSCAUTIONSCAUTIONS
6.16.16.16.1 PreparingPreparingPreparingPreparing worksworksworksworks beforebeforebeforebefore usageusageusageusage
After Ram BOP installed on well head, inspect the following before
operation, to ensure its proper operation.
1) Check BOP is installed rightly or not: lifting ear of body should be
installed on the upside; manual locking device should be installed
completely and well fastened, and hang a plate where the hand wheel is
to indicate the open and close circles; all the connecting bolt should be in
turn tightened diagonally and equably.
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
21
2) Inspect oil pipes to see whether they are in compliance with BOP switch
direction or not, provide 286~429psi control pressure to test each ram
twice (open and close), draining air from cylinders and pipes. If ram
switch action is not in compliance with the mark on the handle of control
platform, adjusting the connection pipes.
3) Inspect manual-lock system to see whether it is well connected or not,
closing and opening ram by manual rod is fixable or not, record hand
wheel rotation number when closing well and mark it on hand-wheel.
After finishing the tests, rotate hand wheel on left and make it unlocked,
open ram by hydraulic pressure.
4) Wellhead equipments shall be fully pressure tested. Standards of test shall
be according to related well control specifications. After tests, every
connection bolt is fixed once again avoiding unbalanced distribution. See
the tightening torque of flange bolt from list 14 or 15.
5) Check installed ram rubber sizes to see whether it is compliance with
drilling tool sizes or not.
6) Check whether the killing and choke manifolds are well connected or not.
7) While BOP is inspected on the ground, it should be fully injected by
water, and open and close ram at least twice so as to drain air in cylinders
and pipes.
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
22
List 2 RECOMMENDEDRECOMMENDEDRECOMMENDEDRECOMMENDEDTORQUETORQUETORQUETORQUE FORFORFORFOR DIFFERENTDIFFERENTDIFFERENTDIFFERENTSIZESSIZESSIZESSIZES OFOFOFOF BOLTSBOLTSBOLTSBOLTSANDANDANDANDSCREWSSCREWSSCREWSSCREWS (METRIC(METRIC(METRIC(METRIC UNIT)UNIT)UNIT)UNIT)
Size of boltsand screws
TighteningtorqueN·m
Size of boltsand screws
TighteningtorqueN·m
Size of boltsand screws
TighteningtorqueN·m
M12 80 M33×3 1292 M52×3 5505M16 153 M36×3 1737 M38×3 7892M20 266 M39×3 2272 M64×3 10885M22 424 M42×3 2910 M70×3 14549M27 643 M45×3 3654 M76×3 18957
M30×3 930 M48×3 4516 M80×3 21565
List 3 RECOMMENDEDRECOMMENDEDRECOMMENDEDRECOMMENDED TORQUETORQUETORQUETORQUE FORFORFORFOR DIFFERENTDIFFERENTDIFFERENTDIFFERENT SIZESSIZESSIZESSIZES OFOFOFOF BOLTSBOLTSBOLTSBOLTSANDANDANDANDSCREWSSCREWSSCREWSSCREWS (ENGLISH(ENGLISH(ENGLISH(ENGLISH UNIT)UNIT)UNIT)UNIT)
Size of boltsand screws
TighteningtorqueN·m
Size of boltsand screws
TighteningtorqueN·m
Size of boltsand screws
TighteningtorqueN·m
1/2-13UNC 59 1 1/4-8UN 953 2-8UN 40605/8-11UNC 113 1 3/8-8UN 1281 2 1/4-8UN 58213/4-10UNC 196 1 1/2-8UN 1676 2 1/2-8UN 80287/8-9UNC 313 1 5/8-8UN 2146 2 3/4-8UN 107311-8UN 474 1 3/4-8UN 2695 3-8UN 139821 1/8-8UN 686 1 7/8-8UN 3331 3 1/4-8UN 17830
6.26.26.26.2 OperationOperationOperationOperation cautionscautionscautionscautions
1) BOP must be operated by professional person. Operators should be
familiar with BOP working principle, specifications and process, and
can also operate, repair, maintain and eliminate troubles.
2) When test the closing ram without string in hole, the max closing
hydraulic pressure should be less than 429psi to prevent rubber from
damage. When open the ram, the opening pressure of hydraulic
locking device can be increased properly. When there is string in the
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
23
well, closing the blind ram is prohibited.
3) When closing well for a long time, BOP controlled by manual locking
system should lock the ram by this system and indicate the condition
on control platform to prevent wrong operation.
4) After reaching objective interval, the rams should be opened and
closed one time every day to see whether they are flexible lock in
normal condition or not and whether the manual locking system and
hydraulic locking system are flexible or not. After the drill string is
pulled out of the well, blind ram open and close test is needed. When
there is string in hole, do not close blind ram and shear ram.
5) Releasing pressure by opening ram is prohibited to prevent rubber
from damage. Before opening ram, check the manual-lock system and
keep then in unlocking position. When opened rams, check the ram to
see whether it is fully opened to prevent ram damage from drilling
tools.
6) Keep hydraulic oil clean.
7) After using BOP, ram should be fully opened for easy repair.
7. MAINTENANCEMAINTENANCEMAINTENANCEMAINTENANCE
BOP shall be completely cleared and checked after being used for one
well at site. Replace damaged parts in time, anoint so as to prevent rust after
cleaned ram chamber and ram assembly, (suggest to oil them by synthetic
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
24
complex aluminium grease), and oil connecting thread part by thread grease.
7.1.7.1.7.1.7.1. ReplacementReplacementReplacementReplacement ofofofof ramramramramandandandand ramramramram rubberrubberrubberrubber
Ram rubber is the key part in a BOP. If damaged, BOP is useless in
sealing well. So it is very important to keep it in good condition, and it must
be replaced in time if there is damage in sealing surface. The steps of
replacement ram and ram rubber are as follows:
▲▲▲▲!!!!Note:Note:Note:Note: manualmanualmanualmanual lockinglockinglockinglocking devicedevicedevicedevice shouldshouldshouldshould bebebebe unlockedunlockedunlockedunlocked。。。。
1) Open the ram completely with hydraulic oil;
2) Pull ram assembly out horizontally from the ram shaft tail. When take
out ram assembly, note to protect the bonnet seal surface, ram and ram
shaft from being knocked and scratched.;
3) While replacing ram rubber, first remove ram screw, take ram holder
down, prize out the top seal rear of ram rubber upwards, then dismount ram
rubber forward, last replace new rubber. Assembling order is contrary to
disassembling.
7.2.7.2.7.2.7.2. MaintenanceMaintenanceMaintenanceMaintenance forforforfor bonnetbonnetbonnetbonnet hingehingehingehinge bracketbracketbracketbracket
Bonnet hinge bracket is either bonnet rotating shaft or
hydraulic oil passage. When seal ring damaged, there will be oil
losing. At this moment, it is necessary to disassembly the hinge
bracket and checking steps as follows:
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25
1) Ensure bonnet is fixed connection with the body;
2) Remove two locating pins from hinge bracket, and four connected
bolts.(Note:structure of the locating pin is separate, and it can be pulled
out by M8 screw)
3) Remove hinge bracket from bonnet with gently hammering avoiding
seal side damage。
4) When installation, coat lubricant on related surface, and insert bonnet
gently. Take care of the position of locating hole, fit two locating pins
first, then four bolts.。
5) Check O-rings of hinge bracket and replace all O-rings if possible.
Verify seal side intact, repair or replace them in time if existing damage.
6) When disassemble and assemble hinge bracket, keep the original
assembling relationship and they can not be changed.
7.3.7.3.7.3.7.3. MaintenanceMaintenanceMaintenanceMaintenance forforforfor cylindercylindercylindercylinder assemblyassemblyassemblyassembly
1) ForForForFor ramramramram shaftshaftshaftshaft seal,seal,seal,seal, pistonpistonpistonpiston seal,seal,seal,seal, lockinglockinglockinglocking shaftshaftshaftshaft seal,seal,seal,seal, ifififif leakingleakingleakingleaking oil,oil,oil,oil, theytheytheythey
shallshallshallshall bebebebe repairedrepairedrepairedrepaired andandandand checkedcheckedcheckedchecked asasasas thethethethe followingfollowingfollowingfollowing steps:steps:steps:steps::
⑴ If ram is not opened fully, open the rams completely through
hydraulic pressure. If bonnet is opened fully, close bonnet and at least screw a
bolt at the opposite from hinge bracket, and then open the ram;
⑵ Put a clean basin under cylinder, to prevent oil from flowing on
ground;
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
26
⑶ Remove cylinder cover studs and nuts. Screw off cylinder cover and
locking shaft;
⑷ Drive out locking shaft from cylinder cover;
⑸ Remove cylinder;
⑹ Release fixed screw in piston locking cap(Item No. 17);
⑺ Remove piston-locking cap, and take down the piston.;
⑻ Open bonnet, take off ram, and pull out ram shaft;
⑼ Remove retainer, take out ram shaft, sealing ring, and take down
locking shaft sealing ring in cylinder cover by the same way.
2) CheckingCheckingCheckingChecking positionpositionpositionposition afterafterafterafter cylindercylindercylindercylinder disassemblydisassemblydisassemblydisassembly
⑴ Inner wall of cylinder
When emerging lognitudinal scratch on inner wall of cylinder, it can not
prevent leaking oil even if change a new piston seal ring. A new cylinder
should be changed. At the same time, check related parts of piston and find
out scratching reasons and solve the troubles. If scratch is shallow line or
dotted, amend them with abrasive paper and abrasive stick.。
⑵ Ram shaft and locking shaft-sealing surface
When there is scratch on sealing surface, use the same inspection and
treatment method as on cylinder. If coating peeling off, that will cause leakage,
in this case, they must be changed.
⑶ Seal ring.
Check sealing parts and O-rings to ensure no scratch. If there is, change
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
27
them.
⑷ Piston
If the uneven wearing depth of moving sealing surface of piston exceed
0.2mm, change it and it is not allowed to emerge obvious scratch on other
surfaces.
3). Cylinder assembly installation
InstallationInstallationInstallationInstallation stepstepstepstep areareareare reversalreversalreversalreversal disassemblydisassemblydisassemblydisassembly stepsstepsstepssteps ofofofof it.it.it.it. ButButButBut notenotenotenote thethethethe
followingfollowingfollowingfollowing itemsitemsitemsitems:
(1). Check whether there are burs and sharp edges on parts or not. If
there is, get rid of them to prevent seal ring from scratch, and keep them
clean.。
(2). When setting seal ring, lubricate seal ring area and related area for
easy assembly.
(3). Take care of seal ring lip direction; ensure lip mouth against
pressure side.
(4). Ensure seal ring passing through thread part smoothly.
PROPERPROPERPROPERPROPER STORAGESTORAGESTORAGESTORAGE OFOFOFOF RUBBERRUBBERRUBBERRUBBER PARTSPARTSPARTSPARTS
All rubber parts must be stored as following:
I. Store rubber parts in a dark and dry place: Temperature is 0-25℃。
Keep them away from heaters direct sunlight;
II. Don’t spray corrosive material onto rubber part;
III. Store these items away from high-voltage equipments.
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28
High-voltage equipment frequently produces ozone which attacks
rubber;
IV. Store rubber parts in a relaxed condition. They can not be bended,
squeezed or hanged.;
V. Rubber part should be checked periodically. If there is any problem
in a rubber part, it can not be used;
VI. Usually the storage term is 2 years。
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29
TROUBLESTROUBLESTROUBLESTROUBLESANDANDANDAND SETTLEMENTSSETTLEMENTSSETTLEMENTSSETTLEMENTS
ItemItemItemItem
No.No.No.No.TroubleTroubleTroubleTrouble phenomenaphenomenaphenomenaphenomena CauseCauseCauseCause SettlementsSettlementsSettlementsSettlements
1
FluidsFluidsFluidsFluids flowflowflowflow outoutoutout fromfromfromfrom thethethethe
clearanceclearanceclearanceclearance betweenbetweenbetweenbetween thethethethe
bodybodybodybody andandandand bonnet.bonnet.bonnet.bonnet.
a.a.a.a. SealSealSealSeal ringringringring betweenbetweenbetweenbetween thethethethe bodybodybodybody andandandand
bonnetbonnetbonnetbonnet isisisis damaged.damaged.damaged.damaged.
ChangeChangeChangeChange damageddamageddamageddamaged sealsealsealseal
ring.ring.ring.ring.
b.b.b.b. ThereThereThereThere isisisis dustdustdustdust andandandand damagedamagedamagedamage onononon thethethetheBOPBOPBOPBOPbodybodybodybody andandandand bonnetbonnetbonnetbonnet sealsealsealseal surface.surface.surface.surface.
ClearClearClearClear dustdustdustdust andandandand repairrepairrepairrepairdamageddamageddamageddamaged position.position.position.position.
2
RamRamRamRam movementmovementmovementmovement
directiondirectiondirectiondirection isisisis notnotnotnot
conformanceconformanceconformanceconformance withwithwithwith plateplateplateplate
markmarkmarkmark ofofofof controlcontrolcontrolcontrol valve.valve.valve.valve.
BOPBOPBOPBOP pipespipespipespipes areareareare wrongwrongwrongwrong connectedconnectedconnectedconnected totototo
controlcontrolcontrolcontrol platform.platform.platform.platform.ReverseReverseReverseReverse BOPBOPBOPBOPpipes.pipes.pipes.pipes.
3
HydraulicHydraulicHydraulicHydraulic systemsystemsystemsystem isisisis ok,ok,ok,ok,
butbutbutbut ramramramram cancancancan notnotnotnot
opened,opened,opened,opened, closedclosedclosedclosed fully.fully.fully.fully.
ThereThereThereThere areareareare otherotherotherother materials,materials,materials,materials, sandsandsandsand andandandand
mudmudmudmud onononon ramramramram contactcontactcontactcontact ends.ends.ends.ends.cleancleancleanclean ramramramram andandandand bonnet.bonnet.bonnet.bonnet.
4FluidsFluidsFluidsFluids flowflowflowflow outoutoutout fromfromfromfrom thethethethe
bonnetbonnetbonnetbonnet sightsightsightsight holeholeholehole。
RamRamRamRam shaftshaftshaftshaft onononon thethethethe sidesidesideside ofofofof bodybodybodybody sealsealsealsealringringringring damaged,damaged,damaged,damaged, ramramramram shaftshaftshaftshaft surfacesurfacesurfacesurfacescratched.scratched.scratched.scratched.
ChangeChangeChangeChange damageddamageddamageddamaged ramramramramshaftshaftshaftshaft sealsealsealseal ring,ring,ring,ring, andandandandrepairrepairrepairrepair thethethethe damageddamageddamageddamagedramramramram shaft.shaft.shaft.shaft.
5
HydraulicHydraulicHydraulicHydraulic oiloiloiloil flowsflowsflowsflows outoutoutoutfromfromfromfrom thethethethe bonnetbonnetbonnetbonnet sightsightsightsight
holeholeholehole。
RamRamRamRam shaftshaftshaftshaft onononon thethethethe sidesidesideside ofofofof cylindercylindercylindercylindersealsealsealseal ringringringring damaged,damaged,damaged,damaged, ramramramram shaftshaftshaftshaftsurfacesurfacesurfacesurface scratched.scratched.scratched.scratched.
ChangeChangeChangeChange damageddamageddamageddamaged ramramramramshaftshaftshaftshaft sealsealsealseal ring,ring,ring,ring, andandandandrepairrepairrepairrepair thethethethe damageddamageddamageddamagedramramramram shaftshaftshaftshaft ....
6BOPBOPBOPBOP hydraulichydraulichydraulichydraulic partpartpartpart cancancancan
notnotnotnot holdholdholdhold pressure.pressure.pressure.pressure.
BOPBOPBOPBOP cylinder,cylinder,cylinder,cylinder, piston,piston,piston,piston, lockinglockinglockinglocking shaft,shaft,shaft,shaft,
oiloiloiloil pipe,pipe,pipe,pipe, ramramramram shaftshaftshaftshaft sealsealsealseal ringringringring
damaged,damaged,damaged,damaged, sealsealsealseal surfacesurfacesurfacesurface scratched.scratched.scratched.scratched.
ReplaceReplaceReplaceReplace allallallall sealsealsealseal ringsringsringsrings
andandandand repairrepairrepairrepair sealsealsealseal
surfacesurfacesurfacesurface orororor changechangechangechange newnewnewnew
parts.parts.parts.parts.
7ItItItIt cancancancan notnotnotnot holdholdholdhold pressurepressurepressurepressure
whenwhenwhenwhen ramramramram closed.closed.closed.closed.
RamRamRamRam sealsealsealseal rubberrubberrubberrubber damaged,damaged,damaged,damaged, upperupperupperupper
sealsealsealseal surfacesurfacesurfacesurface ofofofof thethethethe ramramramram chamberchamberchamberchamber
damaged.damaged.damaged.damaged.
ChangeChangeChangeChange ramramramram rubber,rubber,rubber,rubber,
andandandand repairrepairrepairrepair sealsealsealseal
surface.surface.surface.surface.
8
ControlControlControlControl oiloiloiloil currentcurrentcurrentcurrent isisisis
ok,ok,ok,ok, butbutbutbut ramramramram can'tcan'tcan'tcan't bebebebe
openedopenedopenedopened withwithwithwith hydraulichydraulichydraulichydraulic
pressure.pressure.pressure.pressure.
RamRamRamRam pluggedpluggedpluggedpluggedwithwithwithwith sandsandsandsand andandandand mud.mud.mud.mud.
ClearClearClearClear sandsandsandsand andandandand mudmudmudmud
increaseincreaseincreaseincrease hydraulichydraulichydraulichydraulic
controlcontrolcontrolcontrol pressure.pressure.pressure.pressure.
13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)
30
AttachedAttachedAttachedAttached BOPBOPBOPBOP nutsnutsnutsnuts sizesizesizesize
Unit:mm
P/Nd S m
e WeightMetricsystem
Englishunit
Nominalsize
Tol. Nominalsize
Tol.
11706.01 M12 1/2 22
0
-0.21
12 ±0.3 25.4 0.03
11706.02 M16 5/8 27 16 ±
0.35
31.1 0.05
11706.03 M20 3/4 30 19
±
0.42
34.6 0.07
11706.04 M22 7/8 36
0
-0.25
22 41.6 0.1
11706.05 M24 1 41 25 47.3 0.19
11706.06 M27 41 28 47.3 0.19
11706.07 M30X3 1 1/8 46 28 53.1 0.25
11706.08 M33X3 1 1/4 50 31
±0.5
57.7 0.32
11706.09 M36X3 1 3/8 55
0
-0.3
34 63.5 0.42
11706.10 M39X3 1 1/2 60 37 69.3 0.54
11706.11 M42X3 1 5/8 65 41 75.1 0.7
11706.12 M45X3 1 3/4 68 44 78.5 0.8
11706.13 M48X3 1 7/8 74 47 86.6 1.02
11706.14 M50X3 2 77 50
±0.6
88.9 1.67
11706.15 M52X3 77 50 88.9 1.67
11706.16 M58X3 2 1/4 88
0
-0.35
56 101.6 1.78
11706.17 M64X3 2 1/2 98 63 113.1 2.32
11706.18 M70X3 2 3/4 105 68 121.2 2.78
11706.19 M76X3 3 115 75 132.8 3.7
11706.20 M80X3 3 1/4 125 0
-0.4
81 144.3 4.89