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Case History: HydroPull™

Record Setting 71 Composite Plugs Drilled in Midland Basin with a HydroPull™

April 13, 2017 | by JK Admin
Case Study, Spraberry Trend, Martin County, TX
Casing 5 ½” 20 lb
KOP 8,967 ft. TVD; PBTD 21,240 ft. MD
2-⅝” Coil Tubing
71 Composite Plugs
Oil States motors and the Tempress HydroPull milled a total of 71 composite bridge plugs from a horizontal lateral almost 11,000 ft. long to a total measured depth of 21,240 ft. The liner was 5-½” and the job was run on 2-⅝” coiled tubing. The 3-⅛” 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 3-⅛” High Flow-High Impact Tempress HydroPull, a 3-⅛” Oil States Energy Services high torque motor and a 4-⅝” tri-cone Varel rock bit. High viscosity sweeps were utilized in conjunction with a ball activated annular ported sub to clean debris from the wellbore at 4.0 bpm increasing to 5.0 bpm during the final sweep and just prior to pulling out of the hole. During times the ported sub was activated and isolating the HydroPull and Motor, 6.0 bpm was pumped. All 71 plugs were milled without performing short trips. Gel sweeps in volumes ranging from and 5-10 bbl followed the milling of each plug. The wellhead pressure ranged from 1,500 to 2,700 psi and the pump pressure ranged from 4,600 to 5,900 psi. This job was completed in 56.5 hours and the average plug milling time was 6.7 minutes per plug.

Case History: HydroPull™

69 Composite Plugs Milled with a HydroPull™ in the Wolfcamp B Field in the Midland Basin

April 13, 2017 | by JK Admin

Case Study, Spraberry Trend, Martin County, TX

Casing 5 ½” 20 lb
KOP 8,587 ft. TVD; PBTD 20,365 ft. MD
2-⅝” Coil Tubing
69 Composite Plugs

Thru Tubing services from Oil States Energy Services employed the Tempress HydroPull to mill a total of 69 composite bridge plugs from a horizontal lateral almost 11,000 ft. long to a total measured depth of 20,365 ft. The liner was 5-½” and the job was run on 2-⅝” coiled tubing. The 2-⅞” 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 2-⅞” High Flow-High Impact Tempress HydroPull, a 2-⅞” Oil States Energy Services high torque motor and a 4-⅝” tri-cone JZ rock bit.

After milling several plugs and achieving slower than expected plug milling time, the company representative decided to trip out of the hole to check the motor status. The BHA was changed and the assembly was tripped back in the hole to continue milling the composite plugs. The remaining 55 plugs were drilled in approximately 55 hours with an average plug milling time of 10.0 minutes per plug. High viscosity sweeps were utilized in conjunction with a ball activated annular ported sub to clean debris from the wellbore at 4.0 bpm increasing to 6.0 bpm during times the ported sub was activated and isolating the HydroPull and Motor.

Gel sweeps in volumes ranging from 5-20 bbl followed the milling of each plug and no short trips were necessary during milling operations. The wellhead pressure ranged from 600 to 960 psi and the pump pressure ranged from 2,900 to 3,700 psi. Including the 8 hour round trip for the BHA change, this job was completed in approximately 79 hours and the average plug milling time was 10.1 minutes per plug.

Case History: HydroPull™

71 Composite Plugs Drilled in the Limestone Field in the Midland Basin with a HydroPull™

April 13, 2017 | by JK Admin

Case Study, Spraberry Trend, Martin County, TX

Casing 5 ½” 20 lb
KOP 7,958 ft. TVD; PBTD 19,843 ft. MD
2-⅝” Coil Tubing
71 Composite Plugs

Thru Tubing services from Oil States Energy Services employed the Tempress HydroPull to mill a total of 71 composite bridge plugs from a horizontal lateral almost 10,500 ft. long to a total measured depth of 19,843 ft. The liner was 5-½” and the job was run on 2-⅝” coiled tubing. The 3-⅛” 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 3-⅛” High Flow-High Impact Tempress HydroPull, a 3-⅛” Oil States Energy Services high torque motor and a 4-⅝” tri-cone JZ rock bit.

After milling plug 45, the company representative decided to trip out of the hole to check the BHA components and to ensure the hole was free of debris and plug parts. Sweeps were pumped while tripping out of the hole at half way points in the lateral and curve. The BHA was changed and the assembly was tripped back in the hole to tag plug 46. The remaining 25 plugs were drilled in approximately 29 hours with an average plug milling time of 4.8 minutes per plug. High viscosity sweeps were utilized in conjunction with a ball activated annular ported sub to clean debris from the wellbore at 4.0 bpm increasing to 4.5 bpm during the final sweep and just prior to pulling out of the hole. During times the ported sub was activated and isolating the HydroPull and Motor, 6.0 bpm was pumped.

Gel sweeps in volumes ranging from 5-20 bbl followed the milling of each plug. The wellhead pressure ranged from 350 to 700 psi and the pump pressure ranged from 3,500 to 4,600 psi. Including the 18 hour round trip for the BHA change, this job was completed in 90 hours and the average plug milling time was 5.8 minutes per plug.

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: HydroPull™

72 Plugs Drilled in a Single Run with a HydroPull™

December 13, 2016 | by JK Admin

Case Study, Permian Basin, TX

Casing 4 ½” 13.5 lb/ft
Lateral Length 8,585 ft. to 17,903 ft.
Jointed Pipe – Workover Rig
72 Composite Frac Plugs

 

After an unconventional oil well was drilled in the Permian Basin, the operator ran 4 ½”, 13.5 lb/ft casing to a depth of nearly 18,000 ft. MD. After the wellbore was prepared for fracturing, a plug and perf method was used to complete the well. A total of 72 Composite Frac Plugs were placed at spaced intervals in the horizontal wellbore from 8,585 ft. MD to 17,903 ft. MD.

The operator utilized a workover rig and jointed pipe for conveying the BHA. The 2 ⅞” OD BHA consisted of a dual flapper valve assembly, a hydraulic disconnect, a 2 ⅞” OD High Flow-High Impact Tempress HydroPull, a 2.8” OD Baker Hughes Navi-Drill™ X-treme mud motor and a 3 ¾” OD Baker Hughes butterfly mill dressed with Glyphaloy™ carbide cutting structure.

Past operations possessing similar lateral lengths typically required multiple trips to change out BHA components. This record-setting job involved milling out a total of 72 composite frac plugs from a 9,318 ft. lateral in a 17,909 ft. MD horizontal well without incident and in a single HydroPull run. The average plug milling time was 20 minutes per plug and the operator saved 30 hours of rig time, saving extra BHA charges by eliminating a second trip to replace BHA components.

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.    

Screenshot 2015-08-24 23.02.36