CA2501463A1 - Support apparatus for a lubricator in a coiled tubing operation - Google Patents

Support apparatus for a lubricator in a coiled tubing operation Download PDF

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Publication number
CA2501463A1
CA2501463A1 CA002501463A CA2501463A CA2501463A1 CA 2501463 A1 CA2501463 A1 CA 2501463A1 CA 002501463 A CA002501463 A CA 002501463A CA 2501463 A CA2501463 A CA 2501463A CA 2501463 A1 CA2501463 A1 CA 2501463A1
Authority
CA
Canada
Prior art keywords
lubricator
support
injector
coiled tubing
derrick
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.)
Abandoned
Application number
CA002501463A
Other languages
French (fr)
Inventor
Mark T. Andreychuk
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.)
Frac Source Inc
Original Assignee
Frac Source Inc
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 Frac Source Inc filed Critical Frac Source Inc
Priority to CA002501463A priority Critical patent/CA2501463A1/en
Priority claimed from CA 2539829 external-priority patent/CA2539829A1/en
Publication of CA2501463A1 publication Critical patent/CA2501463A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/22Handling reeled pipe or rod units, e.g. flexible drilling pipes

Description

1 "SUPPORT APPARATUS FOR A LUBRICATOR IN A COILED TUBING
2 OPERATION"
3
4 FIELD OF THE INVENTION
The apparatus relates to the field of lubricators used in coiled 6 tubing operations in the petroleum industry and more particularly to apparatus for 7 supporting lubricator segments connected between a coiled tubing injector and a 8 wellhead under loads imposed as a result of movement of the injector.

BACKGROI~NI~OF THF_ INVENTION
11 Conventionally, coiled tubing operations, such as wellbore 12 stimulation and workover operations, have been pertormed on vertical wellbores 13 using vertical derricks and coiled tubing injectors which are moveable vertically 14 within the derrick. Further it is known to provide injectors carried in cradles which are movable in two planes, vertically and horizontally to better align the injector 16 with the wellbore.
17 With the introduction of directional wellbores and particularly with 18 slant weilbores, it is known to provide vertically actuable coiled tubing injectors 19 on a derrick which can be slanted in at least one vertical plane to orient the injector with the wellbore. In some cases the chassis stabilizer's of the rig are 21 also manipulated somewhat to provide tilt in a second vertical plane.
22 Applicant is also aware of injectors which rotate and tilt relative to a 23 trolley and to a derrick along which the trolley slides. The injector is moveable up 24 and down the derrick using a winch mechanism and is capable of being adjusted, using hydraulic cylinders, to align with the wellbore.

1 Injectors are typically connected to the wellhead through a 2 lubricator which is comprised of a plurality of lubricator sections which are 3 connected by unions. Each of the risers may weigh as much as 300-4.00 Ibs and 4 may be rated to handle pressures in the order of about 5000 psi for stimulation or workover operations and the like. Conventional lubricators are designed to be 6 used for vertical wellbores and thus are not designed to handle additional loads 7 placed on them during alignment and connection to a slant wellbore.
8 Additionally, movement of a tiltable injector in any direction would cause 9 increased stress loads to be placed on the lubricator which may already be placed under tension as a result of the injection operations. Further, the 11 lubricator may be caused to sag or to bind during injection operations and may 12 not be capable of withstanding the high pressure load for which they are 13 designed. Clearly what is required is means for supporting the lubricator during 14 injection, either to a vertical wellbore or to a slant wellbore, particularly when injected using an injector capable of being rotated and tilted for alignment with 16 the wellbore.

18 BRI~F DESCRIPTION OF THE DRAWINGS
19 Figure 1 is a side view of a lubricator support apparatus according to an embodiment of the invention;
21 Figure 2 is a back view of an injector which is rotatable and tiltable 22 relative to a derrick in which the injector is supported;
23 Figure 3 is a side view of a carrier for an injector according to Fig. 2 24 and illustrating hydraulic cylinders or rams for movement of the injector in the carrier and relative to the derrick; and 1 Figure 4 is a front view of the injector according to Fig. 2, 2 illustrating the injector supported in the derrick and further illustrating hydraulic 3 cylinders or rams for movement of the injector in the carrier and relative to the 4 derrick.

7 As shown in Fig. 1, an injector 10 is connected to a wellhead 12 8 through a lubricator 14. The lubricator 14 comprises a plurality of lubricator 9 sections 16 which are connected to one another by unions 18 for forming the lubricator 14. A lubricator support apparatus 20 is connected, at a first end 22 to 11 the injector 10. A plurality of truss members 24, are connected between at least 12 a portion of the lubricator sections 16 and the support member for supporting the 13 lubricator sections 16 thereon and for reducing stress loading on the lubricator 14 14. The support member 20 is spaced substantially parallel to the lubricator 14 by the truss members 24, which are fastened to both the lubricator 14 and the 16 support member 20.
17 In an embodiment of the invention, the lubricator support apparatus 18 20 further comprises a plurality of support segments 26 which are fastened 19 together using fasteners 28, such as pins, for forming the support apparatus 20.
Preferably, a truss member 24 is connected between each of the lubricator 21 sections 16 and a corresponding support segment 26. Further, use of 22 corresponding support segments 26 and truss members 24 permit the support 23 apparatus 20 to be readily constructed of a length required to support the 24 lubricator 14, regardless the length of the lubricator 14.

1 Figs. 2-4 illustrate a portion of a coiled tubing rig 30 having an 2 injector 10 carried in a saddle 32 mounted in a trolley or carriage in a derrick 34, 3 the injector 10 being capable of being rotated and tilted relative to the derrick 34 4 and to which the lubricator support apparatus 20 may be used. The injector 10 is rotatable and tiltable through a plurality of hydraulic rams 34 connected between 6 the saddle 32, the injector 10 and the derrick 34.
7 Further, the lubricator support apparatus 20 is also applicable in 8 coiled tubing operations performed in vertical wellbores (not shown).

Claims

CA002501463A 2005-03-17 2005-03-17 Support apparatus for a lubricator in a coiled tubing operation Abandoned CA2501463A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002501463A CA2501463A1 (en) 2005-03-17 2005-03-17 Support apparatus for a lubricator in a coiled tubing operation

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002501463A CA2501463A1 (en) 2005-03-17 2005-03-17 Support apparatus for a lubricator in a coiled tubing operation
US11/308,324 US20060207767A1 (en) 2005-03-17 2006-03-16 Support apparatus for a lubricator in a coil tubing operation
CA 2539829 CA2539829A1 (en) 2005-03-17 2006-03-16 Support apparatus for a lubricator in a coil tubing operation

Publications (1)

Publication Number Publication Date
CA2501463A1 true CA2501463A1 (en) 2006-09-17

Family

ID=37009104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002501463A Abandoned CA2501463A1 (en) 2005-03-17 2005-03-17 Support apparatus for a lubricator in a coiled tubing operation

Country Status (2)

Country Link
US (1) US20060207767A1 (en)
CA (1) CA2501463A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7810554B2 (en) * 2005-06-17 2010-10-12 Xtreme Coil Drilling Corp. System, method and apparatus for conducting earth borehole operations
US7185708B2 (en) * 2005-06-24 2007-03-06 Xtreme Coil Drilling Corp. Coiled tubing/top drive rig and method
US8191637B2 (en) * 2005-12-05 2012-06-05 Xtreme Coil Drilling Corp. Method and apparatus for conducting earth borehole operations
CA2529921C (en) 2005-12-13 2012-06-05 Foremost Industries Inc. Coiled tubing injector system
US7798237B2 (en) * 2007-05-07 2010-09-21 Nabors Alaska Drilling, Inc. Enclosed coiled tubing rig
US8672043B2 (en) 2010-11-03 2014-03-18 Nabors Alaska Drilling, Inc. Enclosed coiled tubing boat and methods
NO338336B1 (en) * 2013-12-10 2016-08-08 Stimline As Handling system
CA2860717C (en) * 2014-08-26 2017-08-15 Reginald Waye Layden Apparatus and methods for downhole tool deployment for well drilling and other well operations
CA3049693A1 (en) 2017-01-18 2018-07-26 Minex Crc Ltd Mobile coiled tubing drilling apparatus

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4192377A (en) * 1978-10-30 1980-03-11 Defourneaux Robert P Jr Bottom valve tripping and liquid channeling device for an automated bailer of shallow wells
US4230186A (en) * 1978-12-11 1980-10-28 Standard Oil Company (Indiana) Simplified subsea production wellhead
US4928522A (en) * 1989-02-10 1990-05-29 Production Data, Inc. Steam injection survey apparatus and method for testing wells
US5215151A (en) * 1991-09-26 1993-06-01 Cudd Pressure Control, Inc. Method and apparatus for drilling bore holes under pressure
US5360075A (en) * 1993-11-29 1994-11-01 Kidco Resources Ltd. Steering drill bit while drilling a bore hole
US5435395A (en) * 1994-03-22 1995-07-25 Halliburton Company Method for running downhole tools and devices with coiled tubing
US6116345A (en) * 1995-03-10 2000-09-12 Baker Hughes Incorporated Tubing injection systems for oilfield operations
US5803168A (en) * 1995-07-07 1998-09-08 Halliburton Company Tubing injector apparatus with tubing guide strips
US5799731A (en) * 1996-04-17 1998-09-01 Halliburton Company Tubing guide with optimized profile and offset
US6003598A (en) * 1998-01-02 1999-12-21 Cancoil Technology Corporation Mobile multi-function rig
US6273188B1 (en) * 1998-12-11 2001-08-14 Schlumberger Technology Corporation Trailer mounted coiled tubing rig
CA2567855C (en) * 1999-12-06 2009-09-08 Precision Drilling Corporation Coiled tubing drilling rig
CA2298089A1 (en) * 2000-02-03 2001-08-03 Plains Energy Services Ltd. Linear coiled tubing injector
US6454014B2 (en) * 2000-02-10 2002-09-24 Halliburton Energy Services, Inc. Method and apparatus for a multi-string composite coiled tubing system
US6536539B2 (en) * 2000-06-30 2003-03-25 S & S Trust Shallow depth, coiled tubing horizontal drilling system
US6431286B1 (en) * 2000-10-11 2002-08-13 Cancoil Integrated Services Inc. Pivoting injector arrangement
US6575247B2 (en) * 2001-07-13 2003-06-10 Exxonmobil Upstream Research Company Device and method for injecting fluids into a wellbore
CA2364147A1 (en) * 2001-11-28 2003-05-28 Cancoil Integrated Services Inc. Improved mast and trolley arrangement for mobile multi-function rig
CA2388391C (en) * 2002-05-31 2004-11-23 L. Murray Dallas Reciprocating lubricator
US6973979B2 (en) * 2003-04-15 2005-12-13 Savanna Energy Services Corp. Drilling rig apparatus and downhole tool assembly system and method
US7240726B2 (en) * 2003-05-05 2007-07-10 Varco I/P, Inc. Elevating operator cabin for coiled tubing injector
US7111689B2 (en) * 2004-05-07 2006-09-26 Bj Services Co Coiled tubing injector deployment assembly and method

Also Published As

Publication number Publication date
US20060207767A1 (en) 2006-09-21

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