GB2590029A - Pump string installation method - Google Patents

Pump string installation method Download PDF

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Publication number
GB2590029A
GB2590029A GB2102244.7A GB202102244A GB2590029A GB 2590029 A GB2590029 A GB 2590029A GB 202102244 A GB202102244 A GB 202102244A GB 2590029 A GB2590029 A GB 2590029A
Authority
GB
United Kingdom
Prior art keywords
string
pump
bypass
pump string
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB2102244.7A
Other versions
GB2590029B (en
GB202102244D0 (en
Inventor
S Lamont Paul
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ums Flowell Assets Ltd
Original Assignee
Ums Flowell Assets Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ums Flowell Assets Ltd filed Critical Ums Flowell Assets Ltd
Publication of GB202102244D0 publication Critical patent/GB202102244D0/en
Publication of GB2590029A publication Critical patent/GB2590029A/en
Application granted granted Critical
Publication of GB2590029B publication Critical patent/GB2590029B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1035—Wear protectors; Centralising devices, e.g. stabilisers for plural rods, pipes or lines, e.g. for control lines
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/16—Connecting or disconnecting pipe couplings or joints
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/128—Adaptation of pump systems with down-hole electric drives
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/065—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using screw-thread elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/06—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action
    • F16B2/10—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening external, i.e. with contracting action using pivoting jaws
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/04—Clamping or clipping connections
    • F16B7/0433—Clamping or clipping connections for rods or tubes being in parallel relationship

Abstract

A method of assembling a pump string assembly comprising a pump string and bypass string, the pump string comprising pump sections connected together and the bypass string comprising tubing joints connected together; the method comprising connecting tubing joints of the bypass string in end to end relationship and inserting the connected tubing joints of the bypass string into the well before connecting a first section of the pump string to the bypass string and sliding the first section relative to the bypass string in an axial direction along the bypass string and into the well; connecting a second section of the pump string to the first section of the pump string; and sliding the connected first and second sections of the pump string relative to the bypass string in an axial direction along the bypass string and into the well.

Claims (25)

Claims:
1. A method of assembling a pump string assembly in an oil or gas well, the pump string assembly comprising a pump string and a bypass string connected by a flow diverter at an upper end of the pump string and the bypass string, the pump string comprising pump sections connected together to form the pump string extending for a first length from the flow diverter and the bypass string comprising tubing joints connected together to form the bypass string, the method comprising: connecting multiple tubing joints of the bypass string in end to end relationship, and inserting the tubing joints of the bypass string into the well, the connected multiple tubing joints of the bypass string inserted in the well having a greater length than the first length; subsequently connecting a first section of the pump string to the connected tubing joints of the bypass string that are assembled in the well, and sliding the first section of the pump string relative to the assembled connected tubing joints of the bypass string in an axial direction along the bypass string and into the well; connecting a second section of the pump string to the first section of the pump string; and sliding the connected first and second sections of the pump string relative to the bypass string in an axial direction along the bypass string and into the well; and subsequently connecting the bypass string and pump string to the flow diverter at the upper end of the pump string and the bypass string.
2. A method as claimed in claim 1 , wherein the method includes connecting the first and second sections of the pump string to the bypass string with one or more coupling devices.
3. A method as claimed in claim 2, wherein the method includes connecting the first and second sections of the pump string in end to end relationship and connecting the second section of the pump string to the bypass string.
4. A method as claimed in claim 2 or claim 3, wherein the one or more coupling devices are adapted to form a rigid fit with the first and second sections of the pump string and a sliding fit with the bypass string, to permit axial movement of the first and second sections of the pump string relative to the bypass string.
5. A method as claimed in any one of claims 1-4, wherein at least one further section of the pump string is connected to the first and second sections of the pump string before the connected first, second and further sections of the pump string slide relative to the bypass string into the well.
6. A method as claimed in any one of claims 1-5, wherein the pump string comprises an electric submersible pump.
7. A method as claimed in any one of claims 1-6, wherein the method includes completely assembling the bypass string before the first section of the pump string is connected to the bypass string.
8. A method as claimed in any one of claims 1-7, wherein the connections between the bypass tubing joints comprise flush joints, and wherein the outer diameter of the bypass string is substantially constant across the connections.
9. A method as claimed in any one of claims 1-8, wherein the method includes supporting the first section of the pump string at the surface of the well after the first section of the pump string slides along the bypass string into the well.
10. A method as claimed in any one of claims 1-9, wherein the method includes supporting the second section of the pump string, along with the first section of the pump string, after the first and second sections of the pump string slide along the bypass string into the well.
11. A method as claimed in claim 9 or claim 10, wherein the first and second sections of the pump string are supported by a moveable support structure, wherein the method includes removing the support structure from the pump string to permit axial movement of the pump string relative to the bypass string when the first and second sections of the pump string are inserted into the well.
12. A method as claimed in claim 11 , wherein the support structure comprises axially spaced first and second surfaces, wherein the first surface supports the pump string and the second surface supports the bypass string, and wherein the first surface comprises a slot adapted to permit axial movement of the pump string relative to the bypass string through the first surface.
13. A method as claimed in claim 12, wherein the support structure comprises a moveable plate with a slot, wherein the method includes placing the moveable plate on the first surface of the support structure to prevent axial movement of the pump string relative to the bypass string through the first surface, and removing the moveable plate from the first surface to permit axial movement of the pump string relative to the bypass string through the first surface.
14. A method as claimed in any one of claims 1-13, wherein the method includes lowering the bypass string into the well relative to the pump string before connecting a first conduit of the flow diverter valve assembly to the pump string.
15. A method as claimed in claim 14, wherein the method includes lowering the flow diverter valve assembly and connected pump string into the well relative to the bypass string before connecting a second conduit of the flow diverter valve assembly to the bypass string.
16. A method as claimed in claim 15, wherein the first and second conduits of the flow diverter valve assembly have different lengths, wherein the method includes axially spacing an upper end of the bypass string from an upper end of the pump string by a distance less than the difference in length of the first and second conduits of the flow diverter valve assembly.
17. A method as claimed in any one of claims 14-16, wherein the method includes raising the flow diverter valve assembly and connected pump string and bypass string out of the well before connecting a coupling device between the pump string and the bypass string.
18. A pump string assembly for an oil or gas well, the pump string assembly comprising a pump string and a bypass string connected by a flow diverter at an upper end of the pump string and the bypass string, the pump string comprising pump sections connected together to form the pump string extending for a first length from the flow diverter and the bypass string comprising tubing joints connected together to form the bypass string, wherein the pump string assembly is assembled by: connecting multiple tubing joints of the bypass string in end to end relationship, and inserting the tubing joints of the bypass string into the well, the connected multiple tubing joints of the bypass string inserted in the well having a greater length than the first length; subsequently connecting a first section of the pump string to the assembled connected tubing joints of the bypass string that are assembled in the well, and sliding the first section of the pump string relative to the assembled connected tubing joints of the bypass string in an axial direction along the bypass string and into the well; connecting a second section of the pump string to the first section of the pump string; sliding the connected first and second sections of the pump string relative to the bypass string in an axial direction along the bypass string and into the well; and subsequently connecting the bypass string and pump string to the flow diverter at the upper end of the pump string and the bypass string.
19. A pump string assembly as claimed in claim 18, wherein the pump string is connected to a first conduit of the flow diverter valve assembly and the bypass string is connected to a second conduit of the flow diverter valve assembly, wherein the lengths of the first and second conduits of the flow diverter valve assembly are fixed.
20. A pump string assembly as claimed in claim 19, wherein the first and second conduits of the flow diverter valve assembly are integrated with the flow diverter valve assembly, and wherein the pump string connects directly to the flow diverter valve assembly
21. A pump string assembly as claimed in any one of claims 18-20, wherein at least one of the pump sections comprises a recessed portion, wherein an outer surface of the recessed portion comprises one or more flats disposed perpendicular to a radius of the pump section to allow the application of torque to the outer surface of the recessed portion.
22. A pump string assembly as claimed in any one of claims 18-21 , wherein the bypass string and the first section of the pump string are supported on a support structure while the second section of the pump string is connected to the first section, wherein the support structure comprises first and second surfaces, wherein the second surface for supporting the bypass string is spaced from the first surface for supporting the pump string in the direction of the axes of the bypass string and the pump string.
23. A pump string assembly for an oil or gas well, the pump string assembly comprising a pump string and a bypass string connected by a flow diverter assembly at an upper end of the pump string and the bypass string, the pump string comprising pump sections connected together to form the pump string extending for a first length from the flow diverter, and the bypass string comprising tubing joints connected together to form the bypass string, the connected tubing joints of the bypass string having a greater length than the first length, wherein the pump sections of the pump string are each adapted to be slidably connected to the assembled connected tubing joints of the bypass string after the bypass string has been inserted into the well; and wherein the uppermost section of the pump string and the uppermost tubing joint of the bypass string are directly connected to respective conduits of the flow diverter assembly.
24. A method of installing a pump string assembly in an oil or gas well, the pump string assembly comprising a pump string and a bypass string connected by a flow diverter at an upper end of the pump string and the bypass string, the pump string comprising at least first and second sections, the first and second sections having an axis, the second section being adapted to be connected to the first section, wherein the pump string extends for a first length from the flow diverter, wherein the method comprises: assembling the bypass string and installing the bypass string to a length greater than the first length in the well; subsequently supporting the first section of the pump string at the surface of the well; connecting the second section of the pump string to the first section; attaching a coupling device between the second section of the pump string and the bypass string that is assembled in the well, wherein the coupling device is adapted to form a rigid fit with the second section of the pump string and a sliding fit with the bypass string, to permit axial movement of the first and second sections of the pump string relative to the bypass string; and inserting the first and second sections of the pump string into the well in an axial direction relative to the bypass string and supporting the second section of the pump string at the surface of the well.
25. A method as claimed in claim 24, wherein the pump string is connected to a first conduit of a flow diverter valve assembly and the bypass string is connected to a second conduit of the flow diverter assembly, wherein the first and second conduits of the flow diverter valve assembly have different lengths, wherein the method includes axially spacing an upper end of the bypass string from an upper end of the pump string by a distance less than the difference in length of the first and second conduits of the flow diverter valve assembly.
GB2102244.7A 2019-05-08 2020-05-07 Pump string installation method Active GB2590029B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB1906493.0A GB201906493D0 (en) 2019-05-08 2019-05-08 Method of installing a pump assembly
PCT/GB2020/051126 WO2020225567A1 (en) 2019-05-08 2020-05-07 Pump string installation method

Publications (3)

Publication Number Publication Date
GB202102244D0 GB202102244D0 (en) 2021-03-31
GB2590029A true GB2590029A (en) 2021-06-16
GB2590029B GB2590029B (en) 2021-12-08

Family

ID=67385016

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1906493.0A Ceased GB201906493D0 (en) 2019-05-08 2019-05-08 Method of installing a pump assembly
GB2102244.7A Active GB2590029B (en) 2019-05-08 2020-05-07 Pump string installation method

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1906493.0A Ceased GB201906493D0 (en) 2019-05-08 2019-05-08 Method of installing a pump assembly

Country Status (2)

Country Link
GB (2) GB201906493D0 (en)
WO (1) WO2020225567A1 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050191889A1 (en) * 2004-02-13 2005-09-01 Zenith Oilfield Technology Limited Apparatus and method
US20060231256A1 (en) * 2005-04-19 2006-10-19 Schlumberger Geomarket Chemical injection well completion apparatus and method
GB2430701A (en) * 2005-09-28 2007-04-04 Schlumberger Holdings Clamp which fixes bypass tubing to submersible pump
US20140000864A1 (en) * 2012-06-28 2014-01-02 Robert P. Fielder, III Downhole modular y-tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050191889A1 (en) * 2004-02-13 2005-09-01 Zenith Oilfield Technology Limited Apparatus and method
US20060231256A1 (en) * 2005-04-19 2006-10-19 Schlumberger Geomarket Chemical injection well completion apparatus and method
GB2430701A (en) * 2005-09-28 2007-04-04 Schlumberger Holdings Clamp which fixes bypass tubing to submersible pump
US20140000864A1 (en) * 2012-06-28 2014-01-02 Robert P. Fielder, III Downhole modular y-tool

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"9-5/8"Universal Bypass Clamp", 18 May 2018 (2018-05-18), Retrieved from the Internet: URL:https://www.youtube.com/watch?v=iEHsGzwCnrg&t=12s (retrieved on 2020-07-15) the whole document compare figure 2 of application *
"Zenith ESP Bypass System Install Demo", 14 August 2015 (2015-08-14) Retrieved from the Internet: URL;https://www.youtube.com/watch?v=SR5uvtTDT9c the whole document *

Also Published As

Publication number Publication date
WO2020225567A1 (en) 2020-11-12
GB201906493D0 (en) 2019-06-19
GB2590029B (en) 2021-12-08
GB202102244D0 (en) 2021-03-31

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