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Case History: HydroPull™

Record Number 66 Plugs Drilled in Permian Basin Well in a Single Run with a HydroPull™

December 30, 2016 | by JK Admin

Spraberry Trend, Midland County, TX

Casing 5 1⁄2” 20 lb
KOP 8,400 ft. TVD; PBTD 19,331 ft. MD 2-5⁄8” Coil Tubing
66 Composite Plugs

This record job with a major Permian Basin operator involved milling out a total of 66 composite bridge plugs from a 10,000 ft. lateral in a 19,331 ft. MD horizontal well. The liner was 5-1⁄2” and the job was run on 2-5⁄8” CT. The 3-1⁄8” BHA consisted of a motor head assembly, hydraulic disconnect, screen sub, 3-1⁄8” High Flow-High Impact Tempress HydroPull™, 3-1⁄8” Oil States Energy Services motor and a 4-5⁄8” tri-cone rock bit. Water with friction reducer was pumped at 3.5 bpm increasing to nearly 4.0 bpm towards the end of the lateral. The wellhead pressure ranged from 1300 to 2650 psi and the pump pressure ranged from 3400 to 5700 psi. All 66 plugs were milled without incident and gel sweeps and short trips were utilized to ensure a good cleanout of well debris. This job was completed in a single HydroPull™ run with an average plug milling time of 9 minutes per plug.

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Case History: HydroPull™

65 Composite Plugs Drilled in Permian Basin in a Single Run with a HydroPull™

December 30, 2016 | by JK Admin

Spraberry Trend, Midland County, TX

Casing 5 1⁄2” 20 lb
KOP 8,400 ft. TVD; PBTD 19,163 ft. MD 2-5⁄8” Coil Tubing
65 Composite Plugs

This near record well cleanout involved milling out a total of 65 composite bridge plugs from a lateral nearly 10,000 ft. long in a 19,163 ft. MD horizontal well. The liner was 5-1⁄2” and the job was run on 2-5⁄8” CT. The 3-1⁄8” BHA consisted of a motor head assembly, bi-directional jar, hydraulic disconnect, screen sub, 3-1⁄8” High Flow-High Impact Tempress HydroPull™, 3-1⁄8” Oil States Energy Services motor and a 4-5⁄8” tri-cone rock bit. Water with friction reducer was pumped at 3.5 bpm increasing to 4.5 bpm towards the toe of the lateral. The wellhead pressure ranged from 1,350 to 2,000 psi and the pump pressure ranged from 3,900 to 5,600 psi. All 65 plugs were milled without incident and gel/pipe-on-pipe sweeps and short trips were utilized to ensure a good cleanout of sand and plug debris. This job was completed in 94 hours in a single HydroPull™ run with an average plug milling time of 10 minutes per plug.

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Case History: HydroPull™

50 Composite Plugs Drilled in Midland Basin in a Single Run with a HydroPull™

December 30, 2016 | by JK Admin

Spraberry Trend, Midland County, TX

Casing 5 1⁄2” 20 lb
KOP 8,250 ft. TVD; PBTD 20,277 ft. MD 2-5⁄8” Coil Tubing
50 Composite Plugs

This well cleanout involved milling a total of 50 composite bridge plugs from a horizontal lateral almost 10,000 ft. long to a total measured depth of 20,277 ft. The liner was 5-1⁄2” and the job was run on 2-5⁄8” coiled tubing. The 3-1⁄8” BHA consisted of a motor head assembly, dual back pressure valve, hydraulic disconnect, screen sub, 3-1⁄8” High Flow-High Impact Tempress HydroPull™, 3-1⁄8” Oil States Energy Services motor and a 4-5⁄8” tri-cone rock bit. Water with pipe-on-pipe friction reducer was pumped at 4.0 bpm increasing to 4.5 bpm towards the toe of the lateral. Nitrogen was commingled with fluid after the 34th plug and continued to near TD. All 50 plugs were milled without any short trips and 5-20 bbl gel sweeps followed the milling of each plug. The wellhead pressure ranged from 80 to 500 psi and the pump pressure ranged from 2,900 to 3,700 psi. This job was completed in 45 hours with a single High Flow-High Impact HydroPull™ with an average plug milling time of 5 minutes per plug.screen-shot-2016-12-30-at-8-48-47-am

Case History: HydroPull™

65 Composite Plugs Drilled in Midland Basin with Oil States Motors and a HydroPull™

December 30, 2016 | by JK Admin

Spraberry Trend, Midland County, TX

Casing 5 1⁄2” 20 lb
KOP 9,031 ft. TVD; PBTD 19,760 ft. MD 2-5⁄8” Coil Tubing
65 Composite Plugs

Oil States motors and the Tempress HydroPull™ milled a total of 65 composite bridge plugs from a horizontal lateral almost 10,000 ft. long to a total measured depth of 19,760 ft. The liner was 5-1⁄2” and

the job was run on 2-5⁄8” coiled tubing. The 3-1⁄8” BHA consisted of a weld-on coil connector, a dual back pressure valve, a set of jars, a hydraulic disconnect, a ball-actuated annular velocity tool, a screen sub, a 3-1⁄8” High Flow-High Impact Tempress HydroPull™, a 3-1⁄8” Oil States Energy Services motor and a 4-5⁄8” tri-cone rock bit. Water with pipe-on-pipe friction reducer was pumped at 4.0 bpm increasing to 4.75 bpm during the final sweep and just prior to pulling out of the hole. All 65 plugs were milled while utilizing four 1,000 ft. short trips and two short trips to the vertical section to ensure adequate hole cleaning and debris removal. Gel sweeps in volumes ranging from and 5-10 bbl followed the milling of each plug. The wellhead pressure ranged from 1,300 to 1,700 psi and the pump pressure ranged from 2,900 to 4,700 psi. This job was completed in 128 hours, including a cautionary round trip due to wire pieces discovered in the plug catchers. The average plug milling time was 13 minutes per plug.screen-shot-2016-12-30-at-8-43-35-am

Case History: HydroPull™

64 Composite Plugs Drilled in Midland Basin in a Single Run with a HydroPull™

December 30, 2016 | by JK Admin

Wolfcamp Trend, Midland County, TX

Casing 5 1⁄2” 20 lb
KOP 8,300 ft. TVD; PBTD 18,674 ft. MD 2-5⁄8” Coil Tubing
64 Composite Plugs

This impressive well cleanout involved milling out a total of 64 composite bridge plugs from a lateral nearly 10,000 ft. long in an 18,674 ft. MD horizontal well. The liner was 5-1⁄2” and the job was run on 2-5⁄8” CT. The 3-1⁄8” BHA consisted of a motor head assembly, dual back pressure valve, hydraulic disconnect, screen sub, 3-1⁄8” High Flow-High Impact Tempress HydroPull™, 3-1⁄8” Oil States Energy Services motor and a 4-5⁄8” tri-cone rock bit. Water with friction reducer was pumped at 4.25 bpm increasing to 5.0 bpm towards the toe of the lateral. All 64 plugs were milled without incident and 10 bbl gel sweeps followed the milling of each plug. Two short trips were utilized to ensure a good cleanout of sand and plug debris, including one trip to vertical after milling the 46th plug. The wellhead pressure ranged from 250 to 420 psi and the pump pressure ranged from 2,800 to 4,250 psi. This job was completed in a single HydroPull™ run in 57 hours with an average plug milling time of 5 minutes per plug.

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Case History: SC-HydroPull™ Offshore Asphaltene Cleanout with Coiled Tubing on the Q4000

SC-HydroPull™ Offshore Asphaltene Cleanout

August 24, 2015 | by JK Admin

Screenshot 2015-08-24 23.02.11

The customer had shut in a high-asphaltenic, offshore gas well in early 2010 and wished to clean the well in preparation for temporary abandonment in 2015.  The water depth was 3853-ft and the gas sand was located at 18,225 to 18,338-ft MD.  The production tubing was:

4.5-in (3.826-in ID) to 17,412

3.5-in (2.992-in ID) to 18,031

a 60 ft inverted telescopic joint with a minimum ID profile of 2.75″

3.5-in sand screen across the reservoir, 18,225-18,338-ft

A plan to clean the completion with 29,000 ft of 1-1/2″ coiled tubing deployed on the Helix Q4000 was prepared. A 2.12-in SC-HydroPull™ equipped with a carbide-tipped bullhead and 6×0.106-in diameter forward facing cleaning jets was specified. The HydroPull® job planning software showed that a pumping 1.25 bpm of xylene would generate 850 psid pulsed jets and 327 psid water hammer suction pulses in the annulus and would require pumping pressure at 10,491 psi with 4200 psi wellhead pressure.

An OSES toolhand arrived at the rig with the SC-HydroPull™ tools via helicopter.  A slick line run tagged bottom at 17557-ft, 668 ft above the top of the sand. Xylene was pumped at 1 bpm/ 9200 psi at 17400-ft and the fill was tagged at 17597-ft.  Pumping continued for an hour with slow progress, the pumps were stopped for an hour to allow the xylene to soak.  Pumping resumed for an hour at 1 bpm and another for another hour at 1.25 bpm/10,200 psi until 18,250-ft, which was 25-ft below the top of the completion screen.  The WHP was 4200 psi, but climbed to 4750 psi as the tools entered the screens. The customer then confirmed the ability to bullhead fluid into the completion in preparation for cement placement. Total pumping time was 3 hours with 3.25 bbl of xylene placed.  This job illustrates the ability to clean heavy asphaltene that was obstructing access to a small diameter completion.  The job was completed quickly despite high well pressure and the small diameter of coiled tubing available for offshore well intervention.    

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Case History: HydroPull Effectiveness

Demonstrated Hydropull Effectiveness

February 5, 2015 | by JK Admin

Case History, McMullen County, TX

Casing 5 ½” 23 lb
PBTD 15,473’
2” Coil Tubing
23 8K plugs plus 1 Kill Plug

We received this report from the field, once again demonstrating the effectiveness of the HydroPull, saving time and money to our customers. “Our competition was on the well and was unable to reach bottom leaving 4 plugs in the well. They were pumping 2 gl per 10 bbl on ultra-lube and a beca-lube slug ever 50 bbl and still had lock up.  OSES was asked to take over and to rig up with the HydroPull.  Our running weight at 13,880’ was 3k to 4k moving at 20 fpm with no lube used at this point.  A slug was sent at 14,230’; the first plug was tagged at 14,478’ and drilled without any stalls and a running weight of 3k to 4k at 15 fpm.  The remaining 3 plugs were drilled at 14,722’ 14,491’, and 15,212’ with only 1 stall. We tagged PBDT at 15,473’ with 4K running weight at 8 fpm.  The average wash time between plugs was 33 minutes, and average drill times were 5 min.  We rigged up on the 2nd well on the pad and drilled all plug with less chemicals being used compared competition’s 1st run on the previous well.  We finished the well with positive running weight and reaching PBDT.

3-well Case Study, Atascosa County, Texas

Milling plugs left in the well by the competition

September 3, 2014 | by JK Admin

Casing 5 ½” 23 lb.
PBTD – 15,621′
2” CT Unit
29 8K plugs

Our competition was on the well and unable to reach bottom with their downhole coil agitation tool. They had friction lock up at 14,315’ while pumping 10bbl ultra-lube slugs (2.5 gal per bbl.) every 50 bbl and running 1½ gal per 10 bbl during the operation. 5 plugs were left in the bottom 1000′ of the well. OSES was asked to rig up with the Tempress® HydroPull™. Read More »

August 28, 2013 | by JK Admin

This article provides an overview of OSES Tempress extended reach and phase separation tools.

Hammer Time July 2013

Case History: SC-HydroPull Stimulation & Cleaning Tool

New record extended reach fill cleanout with coiled tubing – 10,600 foot horizontal

August 28, 2013 | by JK Admin

Two shallow, extended reach wells on the North Slope of Alaska required fill cleanouts.   The TVD of the first well was 3800 feet with a measured depth of 14,400 feet for a total  horizontal extent of 10,600 feet.   The horizontal extent of the second well was 10,466 feet.    Both wells were completed with 4-1/2-inch casing.

Prior attempts to reach total depth to clean fill out of these wells with 2-inch diameter coil and a tractor device were unsuccessful.

Both jobs were completed using a 2-1/8-inch HydroPull® tool run on 2-inch coil with a flow rate of 2.2 bpm.   The HydroPull®
job planning software indicated lockup without the tool at 10,000 ft MD.  The average annular flow velocity was 190 fpm, which is marginal for cuttings transport in a shallow inclined well, however the pulsed annular flow provided by the tool ensured adequate cuttings transport and both jobs were completed without incident.  Total job time was 1 day for the first well and 2 days for the second well.