WO2006133008B1 - Invert emulsion carrier fluid and oil-wetting agent and method of using same - Google Patents

Invert emulsion carrier fluid and oil-wetting agent and method of using same

Info

Publication number
WO2006133008B1
WO2006133008B1 PCT/US2006/021552 US2006021552W WO2006133008B1 WO 2006133008 B1 WO2006133008 B1 WO 2006133008B1 US 2006021552 W US2006021552 W US 2006021552W WO 2006133008 B1 WO2006133008 B1 WO 2006133008B1
Authority
WO
WIPO (PCT)
Prior art keywords
gravel
gravel packing
gal
packing fluid
wetting agent
Prior art date
Application number
PCT/US2006/021552
Other languages
French (fr)
Other versions
WO2006133008A2 (en
WO2006133008A3 (en
Inventor
Thomas A Jones
Alexander J Mckellar
Lirio Quintero
Original Assignee
Baker Hughes 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 Baker Hughes Inc filed Critical Baker Hughes Inc
Priority to BRPI0611106-8A priority Critical patent/BRPI0611106B1/en
Priority to EP06772020.1A priority patent/EP1899575B1/en
Publication of WO2006133008A2 publication Critical patent/WO2006133008A2/en
Publication of WO2006133008A3 publication Critical patent/WO2006133008A3/en
Priority to NO20076643A priority patent/NO343303B1/en
Publication of WO2006133008B1 publication Critical patent/WO2006133008B1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/56—Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof
    • 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
    • E21B43/02—Subsoil filtering
    • E21B43/04—Gravelling of wells
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/02—Well-drilling compositions
    • C09K8/32—Non-aqueous well-drilling compositions, e.g. oil-based
    • C09K8/36—Water-in-oil emulsions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/925—Completion or workover fluid

Abstract

A gravel packing fluid and method for gravel packing a wellbore using a gravel packing fluid comprising an invert emulsion comprising oil as an external phase, clear brine as an internal phase, and a quantity of emulsifier effective to produce a stable invert emulsion, the external phase of the gravel packing fluid further comprising gravel wetting agent.

Claims

37AMENDED CLAIMS [received by the International Bureau on 07 November 2007 (07.11.07)]We claim:
1. A gravel packing fluid comprising an invert emulsion comprising oil as an external phase, clear brine as an internal phase, and a quantity of emulsifier effective to produce a stable invert emulsion, the external phase of the gravel packing fluid further comprising gravel wetting agent.
2. The gravel packing fluid of claim 1 comprising a concentration of about 2.9 liters/m3 (1/8 gal/bbl) or more of the active ingredient of the wetting agent, based on the total volume of the gravel packing fluid.
3. The gravel packing fluid of claim 1 wherein the emulsifier has an HLB offrom 3 to 8.
4. The gravel packing fluid of claim 1 wherein the emulsifier has an HLB of from 3 to 6.
5. The gravel packing fluid of claim 3 wherein the emulsifier comprises nitrogen.
6. The gravel packing fluid of claim 5 wherein the emulsifier is selected from the group consisting of amides and imidazolines.
7. The gravel packing fluid of claim 5 wherein the emulsifier is selected from the group consisting of polyolefin amides, alkeneamides, and imidazolines.
8. The gravel packing fluid of claim 5 wherein the emulsifier comprises imidazoline.
9. The gravel packing fluid of claim 8, the fluid comprising from about 0.06 g/cc (0.5 gal/bbl) to about 0.24 g/cc (2.0 gal/bbl) emulsifier, based on the volume of invert emulsion to be produced.
10. The gravel packing fluid of claim 9 wherein the emulsifier comprises a solution comprising from about 50 to about 70 wt.% emulsifier, the remainder comprising emulsifier base oil.
11. The gravel packing fluid of claim 10 wherein the emulsifier comprises a solution comprising about 60 wt.% emulsifier, the remainder comprising emulsifier base oil.
12. The gravel packing fluid of claim 11 wherein the emulsifier base oil comprises mineral oil. 38
13. The gravel packing fluid of claim 12 wherein the emulsifier base oil further comprises alcohol.
14. The gravel packing fluid of claim 1 wherein the gravel wetting agent is not water soluble.
15. The gravel packing fluid of claim 1 wherein the gravel wetting agent has an HLB of about 4 or less.
16. The gravel packing fluid of claim 1 wherein the gravel wetting agent has an HLB of about 3 or less.
17. The gravel packing fluid of claim 1 wherein the gravel wetting agent comprises an active ingredient selected from the group consisting of dodecyl benzene sulfonate, calcium salts of fatty acids, glycerol triesters, sorbitan esters, lecithin, fatty alcohols, and combinations thereof.
18. The gravel packing fluid of claim 1 wherein the gravel wetting agent comprises polyolefin amide alkene amine as active ingredient.
19. The gravel packing fluid of claim 1 wherein the gravel wetting agent comprises diluent which is soluble in the external phase of the invert emulsion.
20. The gravel packing fluid of claim 19 wherein the diluent is selected from the group consisting of n-paraffins, mineral oil, olefins, and combinations thereof.
21. The gravel packing fluid of claim 19 wherein the gravel wetting agent comprises diluent comprising olefin.
22. The gravel packing fluid of claim 17 comprising: from about 5.95 Iiters/m3 (0.25 gal/bbl) to about 23.8 liters/m3 (1.0 gal/bbl) or more total volume of the gravel wetting agent, including active ingredient(s) and diluent; a density of from about 0.84 g/cc (7 lb/gal) to 1.56 g/cc (13.0 lb/gal); a viscosity of about 20 cP or less at 300 rpm; wherein the clear brine has a density of about 1.0 g/cc (8.34 lb/gal) or more and comprises salts selected from the group consisting of halide salts and formate salts.
23. The gravel packing fluid of claim 1 wherein said fluid is solids-free.
24. The gravel packing fluid of claim 1 wherein the gravel packing fluid comprises substantially Newtonian rheological properties at temperatures of from about 4.44 0C (400F) to about 121.11°C (2500F), as determined under pressure using a FANN 75 rheometer.
25. The gravel packing fluid of claim 1 wherein the gravel packing fluid remains stable under static conditions at 121.110C (2500F) for two weeks or more.
26. The gravel packing fluid of claim 1 wherein the gravel packing fluid comprises a viscosity of about 10 cP or less at 300 rpm.
27. The gravel packing fluid of claim 1 comprising viscosifying agents which achieve non-Newtonian rheology.
28. The gravel packing fluid of claim I wherein the clear brine has a density of from about LO g/cc (8.34 lb/gal)to about 2.3 g/cc (19.2 lb/gal).
29. The gravel packing fluid of claim 1 wherein the clear brine comprises salt comprising metal selected from the group consisting of sodium, calcium, zinc, potassium, cesium, and combinations thereof.
30. The gravel packing fluid of claim 29 wherein the clear brine comprises salt comprising metal selected from the group consisting of calcium chloride, calcium
» bromide, zinc/calcium bromide, potassium formate, cesium/potassium formate, and combinations thereof.
31. The gravel packing fluid of claim 1 wherein the clear brine comprises from about 1 Ib of sodium or potassium chloride salt or less per barrel of water to about 2.3 g/cc (19.2 lb/gal) of liquid stock ZnBr2ZCaBr2ZCaCl2.
32. The gravel packing fluid of claim 1 wherein the clear brine jhas a density of from about 1.2 gZcc (10 lb/gal) to about 1.8 g/cc (15 lb/gal).
33. The gravel packing fluid of claim 1 wherein the clear brinejcomprises a formate salt.
34. The gravel packing fluid of claim 1 wherein the clear brine comprises about 1.55 gZcc (12.9 ibZgal) liquid stock potassium formate.
35. The gravel packing fluid of claim 1 wherein the clear brine comprises a blend of 1.55 gZcc (12.9 lb/gal) potassium formate blended with 2.29 g/cc (19.1 lb/gal) of liquid stock cesium to produce a final maximum brine density of about 2.28 g/cc (19.0 lb/gal) or less.
36. The gravel packing fluid of claim 1 wherein the clear brine has a density of 1.39 g/cc (11.6 lb/gal) or less.
37. The gravel packing fluid of claim 1 wherein the gravel packing fluid has an oil to brine ratio of 45/55 or more.
38. The gravel packing fluid of claim 1 wherein the brine has a density of greater than 1.39 g/cc (11.6 lb/gal), and the oil to brine ratio is 50/50 or more.
39. A method for gravel packing a wellbore comprising: providing a stable invert emulsion comprising oil as an external phase, clear brine as an internal phase, and emulsifier in an amount sufficient to produce a stable emulsion; after producing the stable emulsion, providing the stable emulsion with gravel
' wetting agent, thereby producing a modified emulsion; and, i injecting the modified emulsion into a wellbore with gravel under conditions effective to produce an effective, tight gravel pack.
40. The method of claim 39 comprising substantially continuously infusing gravel and from about 5.95 liters/m3 (0.25 gal/bbl) to about 23.8 liters/m3 (1.0 gal/bbl) wetting agent into the wellbore with the stable invert emulsion.
41. The method of claim 39 further comprising circulating said invert emulsion gravel packing fluid downhole to establish the required annular flow rate to gravel pack the wellbore.
42. The method of claim 41 wherein said circulating establishes an annular flow rate of about 92.44 m/min (300 ft/min) or more.
43. The method claim 39 further comprising infusing additional gravel into the wellbore with an amount of additional wetting agent
44. The method of claim 43 wherein the amount of additional wetting agent achieves and maintains near Newtonian rheological behavior of the gravel packing fluid.
45. The method of claim 44 wherein a sufficient amount of wetting agent is infused into the stable invert emulsion to provide a gravel packing fluid comprising a concentration of about 2.9 liters/m3 (1/8 gal/bbl) or more of the active ingredient of the wetting agent.
46. The method of claim 39 comprising using said fluid as a well servicing fluid other than a gravel packing fluid. i
47. The method of claim 39 wherein said wellbore is a horizontal wellbore. i
48. The method of claim 43 wherein infusing additional wetting agent produces faster gravel settling during the "alpha wave" of an "alpha-beta'1' gravel packing procedure in a horizontal wellbore. 41
49. The method of claim 43 wherein infusing additional wetting agent is used to control "gravel dune height" of an "alpha-beta" gravel pack.
I
50. The method of claim 39 wherein the gravel packing fluid maintains shale stability before and during the gravel packing operation.
51. The method of claim 39 comprising: mixing from about 0.4 to about 0.7 barrels of oil with 1.43 kg/m3 (0.5 gal/bbl) to about 5.7 kg/m3 (2.0 gal/bbl) emulsifier, based on the volume of stable .invert emulsion produced, producing an oil/emulsifier mixture; mixing from about 4.76 liters/m3 (0.2 gal/bbl) to about 14.26 liters/m3 (0.6 gal/bbl) clear brine with the oil/emulsifier mixture, based on the total volume of the oil/emulsifier mixture, producing a stable invert emulsion; and, injecting the stable invert emulsion into a wellbore while substantially continuously infusing from about 5.9 liters/m3 (0.25 gal/bbl) to about 23.8 liters/m3 (1.0 gal/bbl) wetting agent, based on the total volume of the stable invert emulsion.
52. A method for gravel packing a wellbore comprising: providing a stable invert emulsion comprising oil as an external phase, clear brine as an internal phase, and emulsifier in an amount sufficient to produce a stable emulsion; after producing the stable emulsion, injecting the stable emulsion into a j wellbore together with an amount of gravel and gravel weijting agent sufficient to render the gravel oil-wet and to produce an effective, tight gravel pack.
53. The method of claim 52 comprising substantially continuously infusing gravel and from about 5.95 liters/m3 (0.25 gal/bbl) to about 23.8 liters/m3 (1.0 gal/bbl) i wetting agent into the wellbore with the stable invert emulsion.
54. The method of claim 52 further comprising circulating said invert i emulsion gravel packing fluid downhole to establish the required annular flow rate to gravel pack the wellbore. '
55. The method of claim 54 wherein said circulating establishes an annular flow rate of about 92.44 m/min (300 ftVmin) or more. i
56. The method claim 52 further comprising infusing additional gravel into the wellbore with an amount of additional wetting agent. 42
57. The method of claim 56 wherein the amount of additional wetting agent achieves and maintains near Newtonian Theological behavior of the! gravel packing fluid.
58. The method of claim 57 wherein a sufficient amount of wetting agent is infused into the stable invert emulsion to provide a gravel packing flui4 comprising a concentration of about 2.9 liters/m3 (1/8 gal/bbl) or more of the active ingredient of the wetting agent.
59. The method of claim 52 comprising using said fluid as a w,ell servicing i fluid other than a gravel packing fluid.
60. The method of claim 52 wherein said wellbore is a horizon Jtal wellbore.
61. The method of claim 56 wherein the additional wetting agent produces faster gravel settling during the "alpha wave" of an "alpha-beta" gravel picking procedure in a horizontal wellbore.
62. The method of claim 56 wherein the addional wetting agerit controls "gravel dune height" of an "alpha-beta" gravel pack. ;
63. The method of claim 52 wherein the gravel packing fluid maintains shale stability before and during the gravel packing operation.
64. The method of claim 52 comprising: i mixing from about 0,4 to about 0.7 barrels of oil with 1.43 kg/m3 (jθ.5 gal/bbl) to about 5.7 kg/m3 (2.0 gal/bbl) emulsifier, based on the voihime of stable invert emulsion produced, producing an oil/emulsifier mixture; mixing from about 4.76 liters/m3 (0.2 gal/bbl) to about 14.26 litersj/m3 (0.6 gal/bbl) clear brine with the oil/emulsifier mixture, based on the total volume of the oil/emulsifier mixture, producing a stable invert emulsion; and, ; i injecting the stable invert emulsion into a wellbore while substantially continuously infusing from about 5.9 liters/m3 (0.25 gal/bbl) to about 23.8 liters/m3 (1.0 gal/bbl) wetting agent, based on the total volume of the stable invert emulsion.
PCT/US2006/021552 2005-06-06 2006-06-02 Invert emulsion carrier fluid and oil-wetting agent and method of using same WO2006133008A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BRPI0611106-8A BRPI0611106B1 (en) 2005-06-06 2006-06-02 GRAVEL FILLING FLUID AND GRAVEL FILLING METHOD OF A WELL HOLE
EP06772020.1A EP1899575B1 (en) 2005-06-06 2006-06-02 Invert emulsion carrier fluid and oil-wetting agent and method of using same
NO20076643A NO343303B1 (en) 2005-06-06 2007-12-21 Gravel packing fluid and method for gravel packing in a well

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US68767005P 2005-06-06 2005-06-06
US60/687,670 2005-06-06

Publications (3)

Publication Number Publication Date
WO2006133008A2 WO2006133008A2 (en) 2006-12-14
WO2006133008A3 WO2006133008A3 (en) 2007-11-22
WO2006133008B1 true WO2006133008B1 (en) 2008-09-12

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ID=37498957

Family Applications (1)

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PCT/US2006/021552 WO2006133008A2 (en) 2005-06-06 2006-06-02 Invert emulsion carrier fluid and oil-wetting agent and method of using same

Country Status (4)

Country Link
US (1) US7803743B2 (en)
EP (1) EP1899575B1 (en)
NO (1) NO343303B1 (en)
WO (1) WO2006133008A2 (en)

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Also Published As

Publication number Publication date
US7803743B2 (en) 2010-09-28
WO2006133008A2 (en) 2006-12-14
NO20076643L (en) 2008-03-05
WO2006133008A3 (en) 2007-11-22
EP1899575A4 (en) 2010-11-17
NO343303B1 (en) 2019-01-28
BRPI0611106A2 (en) 2010-08-10
EP1899575A2 (en) 2008-03-19
US20060272815A1 (en) 2006-12-07
EP1899575B1 (en) 2016-03-09

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