Well completion system and method

Patent

Well completion system and method

- 27 Sep 1995

80

TL;DR: In this paper, the authors proposed a method for running a liner, production packer and polished bore receptacle into a well on the production tubing string, cementing the liner in place by pumping cement through the production tube string, setting the packer, and optionally thereafter releasing an upper portion of the tubing string from a PBR.

Abstract: The method includes running a liner, production packer and polished bore receptacle (PBR) into a well on the production tubing string, cementing the liner in place by pumping cement through the production tubing string, setting the packer, and optionally thereafter releasing an upper portion of the tubing string from a PBR. A seal assembly isolates the PBR bore from cement exposure during liner cementation. Annular pressure produces a reverse fluid surge and circulating flow to prevent PBR seal area contamination when the tubing string is lifted away from the PBR. A connecting assembly 12 is suspended from a production tubing string 11 to position a liner 17 in a wellbore. The connecting assembly transmits rotational and longitudinal forces from the production tubing string to properly position and cement the liner in the wellbore. The connecting assembly includes a device 20 to limit torque forces on the tubing string, and a longitudinal slip mechanism 28 permits limited longitudinal movement between the connecting assembly and tubing string. A packer 15 is set to seal between the production tubing string 11 and the well casing. An extended length of tubing 11a extends below the packer to provide a continuous tubing/liner-casing overlap area for cementation.

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Citations

Patent

Method of creating a casing in a borehole

Daljit Singh Gill, +3 more

- 15 Jan 1996

TL;DR: In this paper, the authors describe a method of creating a casing in a borehole formed in an underground formation, which comprises the steps of (a) installing a tubular liner (11) in the borehole (1), the liner being radially expandable in the Borehole whereby the liner in its radially expanded position has a plurality of openings (12) which are overlapping in the longitudinal direction of the liner, (b) radially expanding the lintern, and (c) either before or after step (b), installing a body of hardenable fluidic sealing

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263

Patent

Mono diameter wellbore casing

Robert Lance Cook, +1 more

- 09 Jan 2003

TL;DR: In this paper, a tubular liner and an expansion cone are positioned within a new section of a wellbore with the tubular liners in an overlapping relationship with a pre-existing casing.

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206

Patent

Isolation of subterranean zones

Robert Lance Cook, +3 more

- 01 Nov 2002

TL;DR: One or more underground zones are isolated from one or more other underground zones using a combination of solid tubulars and perforated tubes as mentioned in this paper, where perforations are used to separate the two underground zones.

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195

Patent

Forming a wellbore casing while simultaneously drilling a wellbore

Robert Lance Cook, +6 more

- 25 Sep 2001

TL;DR: In this article, an apparatus including a support member, the support member including a first fluid passage, a mandrel coupled to the support members, the mandrel including a second fluid passage and a tubular member coupled with the shoe, where the first, second and third fluid passages and the drilling assembly are operably coupled.

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158

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References

Patent

Apparatus and method for cementing a liner in a well bore

John L. Baugh, +1 more

- 25 Jan 1988

TL;DR: An apparatus and method for cementing a linens in a well bore is described in this article, where an operating string of smaller diameter is inserted within the internal diameter of the linens.

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81

Patent

PBR with latching system for tubing

Hiram E. Lindsey, +2 more

- 04 Feb 1985

TL;DR: In this article, a lintern hanger system for wellbores where the liner hanger includes a polished bore receptacle (PBR) with a releasable latching device is described.

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70

Patent

Apparatus for installing a liner within a well bore

Henry W. Blackwell, +2 more

- 12 Apr 1988

TL;DR: In this paper, a packer setting tool, a packing assembly and an attached liner assembly are lowered into a well bore at a desired depth to fix the linings therein, and the packer assembly is then set in the wet cement of the annulus to provide an additional fluid seal in the well bore.

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70

Patent

Liner isolation and well completion system

Daniel J. Themig

- 21 Aug 1989

TL;DR: In this paper, a downhole completion assembly consisting of an on-off tool, a latch and seal assembly and a tailpipe is used to isolate the annulus between the liner and the wellbore surface.

...read moreread less

63

Patent

Method and apparatus for stage cementing a liner in a well bore having a casing

Samuel Fred Baker, +1 more

- 01 Aug 1988

TL;DR: In this paper, a method and apparatus for cementing a liner in a well bore having a casing wherein the liner is connected to a running tool and includes hanger means for securing the liner to the casing in the well bore.

...read moreread less

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