Sand-Flush Plunger Performance in the Hwy 80 Field file12th Annual Sucker Rod Pumping Workshop...

12th Annual Sucker Rod Pumping

WorkshopRenaissance Hotel

Oklahoma City, Oklahoma

September 27 – 30, 2016

Sand-Flush Plunger Performance in the Hwy 80 Field

Sergio Granados, Bradley Rogers & Rodney Sands

DAL - Harbison-Fischer

Rowland Ramos & Albert Garza

Pioneer Natural Resources

Matt Horton & Johnny Bunsen

Tommy White Supply

Sept. 27 - 30, 2016 2016 Sucker Rod Pumping Workshop 2

Outline

• Introduction

– Standard API Pump

– Sand-Flush Pump

• Objective

• Data Analysis

• Results

• Summary

Introduction

Sept. 29 - 30, 20162016 Sucker Rod Pumping Workshop 3

Pin-End

Plunger

Particulates

Barrel

Hydrostatic

Pressure

Stagnant

Volume

Standard API Pump

• Plunger runs over

particles while the

hydrostatic pressure

forces particles

between the barrel

and the plunger.

• Stagnant volume

collects particles.

Introduction


Erosion

Due to

Sand and

Pressure

Sand Cutting

Groove

Standard API Pump

Introduction


Sand Cutting

Standard API Pump

Introduction


Sand Flush

Plunger

Particulates

Barrel

Hydrostatic

Pressure

Down-stroke

No Stagnant

Volume

Upstroke

• Down-stroke: Sand particles

are forced away from the

leading edge of the plunger

due to the flushing action.

• Upstroke: Close-fitting and

sharp leading edge keeps

particles from building up at

the leading edge.

• No stagnant volume.

Sand-Flush Pump

(Patent #8,535,024)

Introduction


Sand-Flush

Plunger

Standard API

PlungerStandard API vs Sand-Flush Plunger

• The Sand-Flush includes the top

plunger adapter (TPA) which

requires to adjust the valve rod

length for proper pump spacing.

Plunger Size

TypeValve Rod Diameter

/ ThreadVR Length

Adjustment

1¼" RH/RW 11/16" VR + 1"

1¼" RH/RW 7/8" VR 0"

1½" RH/RW 7/8" VR + 1"

1¾" RH/RW 7/8" VR + 1"

1¾" TH ¾" API SR BOX THD N/A

2" RH/RW 7/8" VR + 1"

2¼" TH ¾" API SR BOX THD N/A

2¾" TH ¾" API SR BOX THD N/A

Objective


• How does the Sand-Flush perform compared to a

Standard plunger?

• Did we extend the pump life as initially intended?

• Was it possible to get actual numbers or examples that

could provide further info?

Data Analysis


• Identify Sand-Flush Pump and Standard Pump records.

Key words: nsiw, siw, flush and SF

• Simplify Pull Reason, the data had more than 850 Key Fail

descriptions but just the top 20 make up 90%. Set to PUMP, ROD or

TUBING.

Pump Tracker Data Sample≈ 38k records

Results


• General comparison.

• Just PUMP related failures.

• Large difference in number of repairs is due to having records since

1989 while the Sand-Flush started being used 7 years ago

• 50% increase in average run days.

• About 80% of the Sand-Flush repairs were new wells.

Results


• Previous analysis may not provide the best comparison as the Sand-

Flush was likely used on wells with critical solid issues.

• Wells that use both a Standard and a Sand-Flush plunger at some

point = 161

• 71% of these wells (114) show a run time increase when using a SF.

• 80% of these wells (101) show a run time increase when using a SF if

only pump failures related to plunger/barrel clearance are taken into

account.

Results


• Plunger/Pump Status: The goal with this analysis was to provide a

clear insight of how the plunger or pump were at the moment of the

repair.

• The analysis focused on the plunger and pump, other parts of the

pump were excluded.

Results


• Barrel Metallurgy: How did the barrel materials compared?

• Pump Size: What pump size ran the Sand-Flush most often and how

did it perform?

Summary


• The Sand-Flush Plunger Pump is designed for wells with any kind of

particulates.

• The Sand-Flush Plunger Pump extended the pump life at Hwy 80 field.

• The Sand-Flush Plunger will increase the average run time compared to a

standard pump with metal or grooved plunger.

• Within the 555 wells that ran the Sand-Flush Plunger, 161 used both types

of plungers providing an average run time comparison of 1333 when using

the Sand-Flush versus 604 days when using a standard pump.

• In addition to the pump performance benefits, the Sand-Flush Plunger is

priced competitively. Compared to a standard monel pin plunger the Sand-

Flush Plunger provides an ≈8% savings in initial acquisition cost.

Acknowledgments


• The Sand-Flush Plunger inventors Justin Conyers, Ian Rimmer and

Bradley Rodgers for such an important contribution to the industry.

• Special thanks to Kel-Tech Inc. for their support and collaboration for

this study.

References


• Williams, B.J., Harbison-Fischer, “New Sand Flush Plunger for

Particulate Producing Wells Using Reciprocating Lift Pumps”,

Proceedings of the 59th Annual Meeting of the SWPSC, 2012, pp 175-

179.


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Sand-Flush Plunger Performance in the Hwy 80 Field file12th Annual Sucker Rod Pumping Workshop...

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