CA1248337A - Fluides de forage, de mise en exploitation et de reconditionnement de puits - Google Patents

Fluides de forage, de mise en exploitation et de reconditionnement de puits

Info

Publication number: CA1248337A
Authority: CA; Canada
Prior art keywords: fluid; well; treating; formation; range
Prior art date: 1985-08-30
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.): Expired

Application number

CA000489858A

Other languages

English (en)

Inventor

Thomas C. Mondshine

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.)

Texas United Chemical Corp

Original Assignee

Texas United Chemical Corp

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.)

1985-08-30

Filing date

1985-08-30

Publication date

1989-01-10

1985-08-30 Application filed by Texas United Chemical Corp filed Critical Texas United Chemical Corp

1985-08-30 Priority to CA000489858A priority Critical patent/CA1248337A/fr

1989-01-10 Application granted granted Critical

1989-01-10 Publication of CA1248337A publication Critical patent/CA1248337A/fr

Status Expired legal-status Critical Current

Links

239000012530 fluid Substances 0.000 title claims abstract description 116
238000005553 drilling Methods 0.000 title description 2
230000015572 biosynthetic process Effects 0.000 claims abstract description 83
239000002245 particle Substances 0.000 claims abstract description 50
239000003795 chemical substances by application Substances 0.000 claims abstract description 41
239000000654 additive Substances 0.000 claims abstract description 34
230000000996 additive effect Effects 0.000 claims abstract description 34
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
239000000725 suspension Substances 0.000 claims abstract description 24
238000005086 pumping Methods 0.000 claims abstract description 5
BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 37
239000007900 aqueous suspension Substances 0.000 claims description 22
238000000034 method Methods 0.000 claims description 22
239000000203 mixture Substances 0.000 claims description 22
150000003839 salts Chemical class 0.000 claims description 17
229910021539 ulexite Inorganic materials 0.000 claims description 16
125000004432 carbon atom Chemical group C* 0.000 claims description 13
235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 13
VLCLHFYFMCKBRP-UHFFFAOYSA-N tricalcium;diborate Chemical class [Ca+2].[Ca+2].[Ca+2].[O-]B([O-])[O-].[O-]B([O-])[O-] VLCLHFYFMCKBRP-UHFFFAOYSA-N 0.000 claims description 13
KDVKMMOPDDYERX-UHFFFAOYSA-N calcium;sodium;borate Chemical class [Na+].[Ca+2].[O-]B([O-])[O-] KDVKMMOPDDYERX-UHFFFAOYSA-N 0.000 claims description 11
229920002678 cellulose Polymers 0.000 claims description 11
238000006467 substitution reaction Methods 0.000 claims description 10
229930195733 hydrocarbon Natural products 0.000 claims description 9
150000002430 hydrocarbons Chemical class 0.000 claims description 9
229920000642 polymer Polymers 0.000 claims description 9
239000001913 cellulose Substances 0.000 claims description 8
239000007788 liquid Substances 0.000 claims description 8
229920001732 Lignosulfonate Polymers 0.000 claims description 7
URSLCTBXQMKCFE-UHFFFAOYSA-N dihydrogenborate Chemical compound OB(O)[O-] URSLCTBXQMKCFE-UHFFFAOYSA-N 0.000 claims description 7
229920001285 xanthan gum Polymers 0.000 claims description 7
239000001768 carboxy methyl cellulose Substances 0.000 claims description 6
239000008112 carboxymethyl-cellulose Substances 0.000 claims description 6
229920003086 cellulose ether Polymers 0.000 claims description 6
125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 6
229920005551 calcium lignosulfonate Polymers 0.000 claims description 5
RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 claims description 5
229910021540 colemanite Inorganic materials 0.000 claims description 5
239000000230 xanthan gum Substances 0.000 claims description 5
235000010493 xanthan gum Nutrition 0.000 claims description 5
229940082509 xanthan gum Drugs 0.000 claims description 5
229920002472 Starch Polymers 0.000 claims description 4
239000008151 electrolyte solution Substances 0.000 claims description 4
235000019698 starch Nutrition 0.000 claims description 4
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
229910000604 Ferrochrome Inorganic materials 0.000 claims description 3
229920000881 Modified starch Polymers 0.000 claims description 3
239000008107 starch Substances 0.000 claims description 3
235000019426 modified starch Nutrition 0.000 claims 2
229940105329 carboxymethylcellulose Drugs 0.000 claims 1
238000004132 cross linking Methods 0.000 claims 1
HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 11
239000002253 acid Substances 0.000 abstract description 10
150000001642 boronic acid derivatives Chemical group 0.000 abstract description 7
238000007789 sealing Methods 0.000 abstract description 7
238000002347 injection Methods 0.000 abstract description 5
239000007924 injection Substances 0.000 abstract description 5
239000003921 oil Substances 0.000 abstract description 5
239000006187 pill Substances 0.000 abstract description 3
239000012266 salt solution Substances 0.000 abstract description 2
238000007599 discharging Methods 0.000 abstract 1
239000007789 gas Substances 0.000 abstract 1
229940090044 injection Drugs 0.000 abstract 1
238000011282 treatment Methods 0.000 abstract 1
238000005755 formation reaction Methods 0.000 description 65
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 14
229920002134 Carboxymethyl cellulose Polymers 0.000 description 12
VTYYLEPIZMXCLO-UHFFFAOYSA-L calcium carbonate Substances [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 12
239000004354 Hydroxyethyl cellulose Substances 0.000 description 10
235000010980 cellulose Nutrition 0.000 description 10
235000019447 hydroxyethyl cellulose Nutrition 0.000 description 10
229940071826 hydroxyethyl cellulose Drugs 0.000 description 10
239000000243 solution Substances 0.000 description 10
229920000663 Hydroxyethyl cellulose Polymers 0.000 description 9
239000012267 brine Substances 0.000 description 9
239000000463 material Substances 0.000 description 9
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 8
229920006184 cellulose methylcellulose Polymers 0.000 description 7
239000004576 sand Substances 0.000 description 7
-1 sodium calcium borates Chemical class 0.000 description 7
PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 6
235000010216 calcium carbonate Nutrition 0.000 description 6
230000009545 invasion Effects 0.000 description 6
230000035699 permeability Effects 0.000 description 6
229910000019 calcium carbonate Inorganic materials 0.000 description 5
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
239000011575 calcium Substances 0.000 description 4
229910052791 calcium Inorganic materials 0.000 description 4
229920003090 carboxymethyl hydroxyethyl cellulose Polymers 0.000 description 4
238000011010 flushing procedure Methods 0.000 description 4
239000013505 freshwater Substances 0.000 description 4
150000002500 ions Chemical class 0.000 description 4
239000001103 potassium chloride Substances 0.000 description 4
235000011164 potassium chloride Nutrition 0.000 description 4
239000011780 sodium chloride Substances 0.000 description 4
239000000375 suspending agent Substances 0.000 description 4
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
230000004087 circulation Effects 0.000 description 3
150000002170 ethers Chemical class 0.000 description 3
239000012065 filter cake Substances 0.000 description 3
TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
238000002156 mixing Methods 0.000 description 3
238000012856 packing Methods 0.000 description 3
239000011734 sodium Substances 0.000 description 3
229910052708 sodium Inorganic materials 0.000 description 3
239000004215 Carbon black (E152) Substances 0.000 description 2
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
239000002585 base Substances 0.000 description 2
239000003518 caustics Substances 0.000 description 2
239000000084 colloidal system Substances 0.000 description 2
230000000052 comparative effect Effects 0.000 description 2
230000000694 effects Effects 0.000 description 2
235000010944 ethyl methyl cellulose Nutrition 0.000 description 2
239000000706 filtrate Substances 0.000 description 2
229920003087 methylethyl cellulose Polymers 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000001556 precipitation Methods 0.000 description 2
229920006395 saturated elastomer Polymers 0.000 description 2
239000007787 solid Substances 0.000 description 2
LNAZSHAWQACDHT-XIYTZBAFSA-N (2r,3r,4s,5r,6s)-4,5-dimethoxy-2-(methoxymethyl)-3-[(2s,3r,4s,5r,6r)-3,4,5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6r)-4,5,6-trimethoxy-2-(methoxymethyl)oxan-3-yl]oxyoxane Chemical compound CO[C@@H]1[C@@H](OC)[C@H](OC)[C@@H](COC)O[C@H]1O[C@H]1[C@H](OC)[C@@H](OC)[C@H](O[C@H]2[C@@H]([C@@H](OC)[C@H](OC)O[C@@H]2COC)OC)O[C@@H]1COC LNAZSHAWQACDHT-XIYTZBAFSA-N 0.000 description 1
244000215068 Acacia senegal Species 0.000 description 1
241000894006 Bacteria Species 0.000 description 1
GAWIXWVDTYZWAW-UHFFFAOYSA-N C[CH]O Chemical group C[CH]O GAWIXWVDTYZWAW-UHFFFAOYSA-N 0.000 description 1
UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
241000518994 Conta Species 0.000 description 1
229920002261 Corn starch Polymers 0.000 description 1
WQZGKKKJIJFFOK-QTVWNMPRSA-N D-mannopyranose Chemical compound OC[C@H]1OC(O)[C@@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-QTVWNMPRSA-N 0.000 description 1
239000001856 Ethyl cellulose Substances 0.000 description 1
ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 1
241000237858 Gastropoda Species 0.000 description 1
WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
229920002907 Guar gum Polymers 0.000 description 1
229920000084 Gum arabic Polymers 0.000 description 1
241000243251 Hydra Species 0.000 description 1
229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 description 1
229920000161 Locust bean gum Polymers 0.000 description 1
AFCARXCZXQIEQB-UHFFFAOYSA-N N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CCNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 AFCARXCZXQIEQB-UHFFFAOYSA-N 0.000 description 1
241001163743 Perlodes Species 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
WNFHGZLVUQBPMA-JSCKKFHOSA-M Sodium glucuronate Chemical compound [Na+].O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C([O-])=O WNFHGZLVUQBPMA-JSCKKFHOSA-M 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
241000589634 Xanthomonas Species 0.000 description 1
241000589636 Xanthomonas campestris Species 0.000 description 1
240000008042 Zea mays Species 0.000 description 1
235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 1
235000002017 Zea mays subsp mays Nutrition 0.000 description 1
DPDMMXDBJGCCQC-UHFFFAOYSA-N [Na].[Cl] Chemical compound [Na].[Cl] DPDMMXDBJGCCQC-UHFFFAOYSA-N 0.000 description 1
235000010489 acacia gum Nutrition 0.000 description 1
239000000205 acacia gum Substances 0.000 description 1
238000010306 acid treatment Methods 0.000 description 1
239000008186 active pharmaceutical agent Substances 0.000 description 1
229910052783 alkali metal Inorganic materials 0.000 description 1
229920013820 alkyl cellulose Polymers 0.000 description 1
239000011260 aqueous acid Substances 0.000 description 1
125000004429 atom Chemical group 0.000 description 1
WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 1
239000001110 calcium chloride Substances 0.000 description 1
229910001628 calcium chloride Inorganic materials 0.000 description 1
235000011148 calcium chloride Nutrition 0.000 description 1
BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
239000000292 calcium oxide Substances 0.000 description 1
ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
125000004181 carboxyalkyl group Chemical group 0.000 description 1
229920003064 carboxyethyl cellulose Polymers 0.000 description 1
150000007942 carboxylates Chemical class 0.000 description 1
125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
239000000470 constituent Substances 0.000 description 1
235000005822 corn Nutrition 0.000 description 1
239000008120 corn starch Substances 0.000 description 1
239000006185 dispersion Substances 0.000 description 1
ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
239000008103 glucose Substances 0.000 description 1
230000005484 gravity Effects 0.000 description 1
239000000665 guar gum Substances 0.000 description 1
235000010417 guar gum Nutrition 0.000 description 1
229960002154 guar gum Drugs 0.000 description 1
229920013821 hydroxy alkyl cellulose Polymers 0.000 description 1
239000001866 hydroxypropyl methyl cellulose Substances 0.000 description 1
235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 description 1
UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
235000014413 iron hydroxide Nutrition 0.000 description 1
NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 description 1
239000004571 lime Substances 0.000 description 1
235000010420 locust bean gum Nutrition 0.000 description 1
239000000711 locust bean gum Substances 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229920000609 methyl cellulose Polymers 0.000 description 1
239000001923 methylcellulose Substances 0.000 description 1
235000010981 methylcellulose Nutrition 0.000 description 1
229940086255 perform Drugs 0.000 description 1
229920003023 plastic Polymers 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
235000019422 polyvinyl alcohol Nutrition 0.000 description 1
UVGZJJKEELPWRH-JSCKKFHOSA-M potassium (2S,3S,4S,5R)-2,3,4,5-tetrahydroxy-6-oxohexanoate Chemical compound [K+].O=C[C@H](O)[C@@H](O)[C@H](O)[C@H](O)C([O-])=O UVGZJJKEELPWRH-JSCKKFHOSA-M 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
159000000000 sodium salts Chemical class 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
125000001424 substituent group Chemical group 0.000 description 1
239000001993 wax Substances 0.000 description 1

Landscapes

Sealing Material Composition (AREA)

CA000489858A 1985-08-30 1985-08-30 Fluides de forage, de mise en exploitation et de reconditionnement de puits Expired CA1248337A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000489858A CA1248337A (fr)	1985-08-30	1985-08-30	Fluides de forage, de mise en exploitation et de reconditionnement de puits

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000489858A CA1248337A (fr)	1985-08-30	1985-08-30	Fluides de forage, de mise en exploitation et de reconditionnement de puits

Publications (1)

Publication Number	Publication Date
CA1248337A true CA1248337A (fr)	1989-01-10

Family

ID=4131293

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000489858A Expired CA1248337A (fr)	1985-08-30	1985-08-30	Fluides de forage, de mise en exploitation et de reconditionnement de puits

Country Status (1)

Country	Link
CA (1)	CA1248337A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112881627A (zh) *	2021-01-12	2021-06-01	六盘水师范学院	一种基于微生物测试的煤矿突水水源判别方法

1985
- 1985-08-30 CA CA000489858A patent/CA1248337A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112881627A (zh) *	2021-01-12	2021-06-01	六盘水师范学院	一种基于微生物测试的煤矿突水水源判别方法
CN112881627B (zh) *	2021-01-12	2022-09-27	六盘水师范学院	一种基于微生物测试的煤矿突水水源判别方法

Legal Events

Date	Code	Title	Description
2006-01-10	MKEX	Expiry

Publication	Publication Date	Title
US4620596A (en)	1986-11-04	Well drilling, workover and completion fluids
EP0331277B1 (fr)	1993-04-07	Saumures saturées pour le traitement de puits et additifs pour celles-ci
EP0224474B1 (fr)	1991-09-18	Garniture de forage soluble dans l'eau
US5680900A (en)	1997-10-28	Method for enhancing fluid loss control in subterranean formation
US4175042A (en)	1979-11-20	Well completion and work over fluid and method of use
EP0679795B1 (fr)	1999-08-25	Procédé pour contrÔler la perte de fluide dans une formation perméable
US4619776A (en)	1986-10-28	Crosslinked fracturing fluids
US6770601B1 (en)	2004-08-03	Aphron-containing aqueous well drilling and servicing fluids
US5304620A (en)	1994-04-19	Method of crosslinking cellulose and guar derivatives for treating subterranean formations
US6790812B2 (en)	2004-09-14	Acid soluble, high fluid loss pill for lost circulation
EP0177135B1 (fr)	1989-06-07	Procédé pour conditionner le sable dans un puits de forage
US6918445B2 (en)	2005-07-19	Methods and compositions for treating subterranean zones using environmentally safe polymer breakers
AU4894800A (en)	2001-02-08	Divalent cation-containing well drilling and servicing fluids
CA2359844C (fr)	2003-12-02	Fluides aqueux contenant des aphrons destines a l'entretien et au forage de puits
US7387985B2 (en)	2008-06-17	Monovalent cation-containing well fluids
CA1248337A (fr)	1989-01-10	Fluides de forage, de mise en exploitation et de reconditionnement de puits
CA1156551A (fr)	1983-11-08	Methode d'achevement et de reconditionnement d'un forage
EP0225873B1 (fr)	1990-10-03	fluides reticules de fracture
CA1245977A (fr)	1988-12-06	Garniture soluble a l'eau pour l'obturation provisoire des perforations dans un forage