CA2637082A1 - Reverse-circulation cementing of surface casing - Google Patents

Reverse-circulation cementing of surface casing Download PDF

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Publication number
CA2637082A1
CA2637082A1 CA002637082A CA2637082A CA2637082A1 CA 2637082 A1 CA2637082 A1 CA 2637082A1 CA 002637082 A CA002637082 A CA 002637082A CA 2637082 A CA2637082 A CA 2637082A CA 2637082 A1 CA2637082 A1 CA 2637082A1
Authority
CA
Canada
Prior art keywords
isolation device
casing
surface casing
conductor
cementing
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
CA002637082A
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French (fr)
Other versions
CA2637082C (en
Inventor
Stephen Chase
Gary Maier
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.)
Halliburton Energy Services Inc
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Halliburton Energy Services 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 Halliburton Energy Services Inc filed Critical Halliburton Energy Services Inc
Publication of CA2637082A1 publication Critical patent/CA2637082A1/en
Application granted granted Critical
Publication of CA2637082C publication Critical patent/CA2637082C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B33/00Sealing or packing boreholes or wells
    • E21B33/10Sealing or packing boreholes or wells in the borehole
    • E21B33/13Methods or devices for cementing, for plugging holes, crevices, or the like
    • E21B33/14Methods or devices for cementing, for plugging holes, crevices, or the like for cementing casings into boreholes

Abstract

An apparatus for reverse circulation cementing of surface casing in subterranean formations and associated methods are provided. One example of a method may involve a method of reverse circulation cementing a surface casing in a well bore with a conductor casing positioned therein comprising: providing a tool comprising at least one isolation device coupled to the surface casing; positioning the isolation device in the well bore to isolate an annulus between the surface casing and the conductor casing; flowing cement through a port in the conductor casing in a reverse circulation direction; and allowing the cement to set therein.

Claims (20)

1. A system for reverse circulation cementing of a surface casing string comprising a conductor casing, a surface casing string positioned within the conductor casing, and an isolation device coupled to a surface casing string.
2. The system of claim 1 wherein the isolation device is a rubber cup, a cement basket, a permanent packer, a retrievable packer, an inflatable packer, or an expandable packer.
3. The system of claim 1 further comprising a handling sub.
4. The system of claim 1 wherein the isolation device comprises a material selected from elastomeric materials and thermoplastic materials, and combinations thereof.
5. The system of claim 1 further comprising a reverse cementing collar coupled to the surface casing string.
6. The system of claim 1 further comprising a cementing head coupled to the surface casing string.
7. The system of claim 1, wherein the surface casing string is positioned so that the isolation device provides a seal in an annulus formed between the surface casing string and the conductor casing.
8. The system of claim 1 wherein the conductor casing further comprises at least two ports, wherein the isolation device is positioned between the two ports to form a seal in an annulus formed between the surface casing string and the conductor casing.
9. A method of reverse circulation cementing a surface casing in a well bore with a conductor casing positioned therein comprising:
providing a tool comprising at least one isolation device coupled to the surface casing;
positioning the isolation device in the well bore to isolate an annulus between the surface casing and the conductor casing;
flowing cement through a port in the conductor casing in a reverse circulation direction; and allowing the cement to set therein.
10. The method of claim 9 further comprising flowing a fluid into the annulus in a reverse circulation direction prior to flowing the cement.
11. The method of claim 10 wherein the fluid is a circulation fluid, a spacer fluid, a displacement fluid, or a drilling fluid.
12. The method of claim 9 further comprising establishing conventional circulation down the tool.
13. The method of claim 9 wherein the flowing of the cement composition in a reverse circulation direction is performed without the use of a conventional diverter or blow out preventer.
14. The method of claim 9 further comprising cementing the conductor casing in the well bore.
15. The method of claim 9, wherein the tool further comprises a reverse circulation cementing collar comprising a check valve.
16. The method of claim 15 further comprising dropping a releasing ball down the tool and pressurizing the ball to release the check valve the from reverse cementing collar.
17. The method of claim 9 wherein the isolation device is a rubber cup, a cement basket, a permanent packer, a retrievable packer, an inflatable packer, or an expandable packer.
18. The method of claim 9 wherein the conductor casing comprises at least two ports, and wherein positioning the isolation device in the well bore to isolate the annulus between the surface casing and the conductor casing comprises positioning the isolation device between the two ports.
19. The method of claim 18 wherein one of the ports is connected to a flowline.
20. The method of claim 9 further comprising removing the tool from the surface casing.
CA2637082A 2007-07-16 2008-07-03 Reverse-circulation cementing of surface casing Expired - Fee Related CA2637082C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/778,261 US7654324B2 (en) 2007-07-16 2007-07-16 Reverse-circulation cementing of surface casing
US11/778,261 2007-07-16

Publications (2)

Publication Number Publication Date
CA2637082A1 true CA2637082A1 (en) 2009-01-16
CA2637082C CA2637082C (en) 2011-01-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2637082A Expired - Fee Related CA2637082C (en) 2007-07-16 2008-07-03 Reverse-circulation cementing of surface casing

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US (2) US7654324B2 (en)
CA (1) CA2637082C (en)

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Also Published As

Publication number Publication date
US7654324B2 (en) 2010-02-02
US20090020285A1 (en) 2009-01-22
US8162047B2 (en) 2012-04-24
CA2637082C (en) 2011-01-25
US20100051277A1 (en) 2010-03-04

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