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Transcript of Polished Rod Failure Prevention - ALRDC - .Polished Rod Failure Prevention ... Polished Rod Failures

  • 7th Annual Sucker Rod Pumping Workshop

    Renaissance Hotel Oklahoma City, Oklahoma September 27 - 30, 2011

    Polished Rod Failure Prevention Justin Green, Sales Application Engineer Harbison Fischer

  • Polished Rod Failure Prevention

    THE POLISHED ROD CARRIES THE ENTIRE WEIGHT OF THE ROD STRING PLUS THE FLUID LOAD AND THE DYNAMIC LOADS. These loads do not cause the failures. Polished Rod Failures are fatigue type breaks

    due to improper installation.

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 2

  • Polished Rod Failure Prevention

    THIS PAPER WILL SHOW THERE ARE MORE ITEMS THAT CAN CAUSE POLISHED ROD PARTING INCREASING YOUR FAILURE FREQUENCY THAN:

    ROD PUMP OR,

    TUBING FAILURES

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 3

  • Polished Rod Failure Prevention

    THE NUMBER ONE CAUSE OF POLISHED ROD FAILURES IS: ALIGNMENT

    COST OF REPAIRING THE FAILURE PRODUCTION LOSS

    CORROSION DAMAGE WHILE DOWN FIBERGLASS RODS or OTHER DOWNHOLE

    EQUIPMENT MAY BE DAMAGED Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 4

  • Polished Rod Failure Prevention

    PUMPING UNIT ALIGNMENT PUMPING UNIT IS TOO FAR FORWARD

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 5

  • Polished Rod Failure Prevention

    PUMPING UNIT IS: RIGHT OR LEFT OF THE HOLE

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 6

  • Polished Rod Failure Prevention

    BRIDLE INSTALLED INCORRECTLY

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 7

  • Polished Rod Failure Prevention

    OTHER ITEMS THAT CAN CAUSE BREAKS HORSES HEAD INSTALLED WRONG AFTER

    WELL SERVICE. TOP OF CARRIER BAR WORN.

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 8

  • Polished Rod Failure Prevention

    OTHER ITEMS THAT CAUSE BREAKS

    OVER OR UNDER TORQUE ON CLAMP BOLTS

    HOW MUCH TORQUE ARE YOU SUPPOSED TO BE USING?

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 9

  • Polished Rod Failure Prevention

    220 POUNDS ON A 24 WRENCH HANDLE GIVES

    YOU 450 POUNDS OF TORQUE!

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 10

  • Polished Rod Failure Prevention

    ITS BEST TO USE A TORQUE WRENCH! COMPANIES THAT HAVE FURNISHED TORQUE

    WRENCHES HAVE LOWERED THEIR PR FAILURES.

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 11

  • Polished Rod Failure Prevention

    MORE ITEMS THAT CAUSE BREAKS: SUCKER ROD BOX ON POLISHED ROD PIN. THE POLISHED ROD DOES NOT HAVE A

    SHOULDER LIKE A SUCKER ROD DOES. THERE IS A 9 DEGREE TAPER AT THE BACK OF

    THE THREAD ON THE PR FOR THE PR COUPLING TO MAKE UP ON.

    THIS MATCHES THE 9 DEGREE TAPER ON THE POLISHED ROD COUPLING.

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 12

  • Polished Rod Failure Prevention

    POLISHED ROD COUPLING ALWAYS USE A COUPLING DESIGNED FOR A

    POLISHED ROD! SUB-COUPLINGS OR COMBINATION

    COUPLINGS ARE OK. API SPEC 11B 7.2.1.3 CALLS FOR ALL SUB

    COUPLINGS MANUFACTURED FOR CONNECTING DIFFERENT SIZES OF SUCKER RODS WILL HAVE A POLISHED ROD THREAD.

    LOOK FOR THE PR STAMP.

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 13

  • Polished Rod Failure Prevention

    POLISHED ROD COUPLING

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 14

  • Polished Rod Failure Prevention

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 15

  • Polished Rod Failure Prevention

    Clamping on spray metal coated polished rod.

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 16

  • Polished Rod Failure Prevention

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 17

    CLAMP

    STUFFING BOX

    CARRIER BAR

    POLISHED ROD SHOWNOUT OF ALIGNMENT

    SPIRIT LEVEL PROPERLY ALIGNED(USE A 3 T0 4 FOOT LONG LEVEL)

    UNIT IS OUT OF ALIGNMENT

    MOVE UNIT TO CORRECTALIGNMENT

    HARBISON-FISCHER901 NORTH CROWLEY ROAD-CROWLEY, TEXAS 76036-3798 / P.O. BOX 2477-FORT WORTH, TEXAS 76113-2477PHONE: (817)297-2211

    MWM 2/99

  • Polished Rod Failure Prevention

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 18

    CENTER LINE

    MIALINEDARRIER BAR

    TOO FAR FORWARDN UNUN V N

    0

  • Polished Rod Failure Prevention

    QUESTIONS?

    Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 19

  • Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 20

    Copyright

    Rights to this presentation are owned by the company(ies) and/or author(s) listed on the title page. By submitting this presentation to the Sucker Rod Pumping Workshop, they grant to the Workshop, the Artificial Lift Research and Development Council (ALRDC), and the Southwestern Petroleum Short Course (SWPSC), rights to:

    Display the presentation at the Workshop. Place it on the www.alrdc.com web site, with access to the site to be as

    directed by the Workshop Steering Committee. Place it on a CD for distribution and/or sale as directed by the Workshop

    Steering Committee.

    Other use of this presentation is prohibited without the expressed written permission of the author(s). The owner company(ies) and/or author(s) may publish this material in other journals or magazines if they refer to the Sucker Rod Pumping Workshop where it was first presented.

  • Sept. 27 - 30, 2011 2011 Sucker Rod Pumping Workshop 21

    Disclaimer The following disclaimer shall be included as the last page of a Technical Presentation or Continuing Education Course. A similar disclaimer is included on the front page of the Sucker Rod Pumping Web Site. The Artificial Lift Research and Development Council and its officers and trustees, and the Sucker Rod Pumping Workshop Steering Committee members, and their supporting organizations and companies (here-in-after referred to as the Sponsoring Organizations), and the author(s) of this Technical Presentation or Continuing Education Training Course and their company(ies), provide this presentation and/or training material at the Sucker Rod Pumping Workshop "as is" without any warranty of any kind, express or implied, as to the accuracy of the information or the products or services referred to by any presenter (in so far as such warranties may be excluded under any relevant law) and these members and their companies will not be liable for unlawful actions and any losses or damage that may result from use of any presentation as a consequence of any inaccuracies in, or any omission from, the information which therein may be contained. The views, opinions, and conclusions expressed in these presentations and/or training materials are those of the author and not necessarily those of the Sponsoring Organizations. The author is solely responsible for the content of the materials. The Sponsoring Organizations cannot and do not warrant the accuracy of these documents beyond the source documents, although we do make every attempt to work from authoritative sources. The Sponsoring Organizations provide these presentations and/or training materials as a service. The Sponsoring Organizations make no representations or warranties, express or implied, with respect to the presentations and/or training materials, or any part thereof, including any warrantees of title, non-infringement of copyright or patent rights of others, merchantability, or fitness or suitability for any purpose.

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