DK200701099A - Fjerntilförsel af modstandsreducerende middel af latex - Google Patents
Fjerntilförsel af modstandsreducerende middel af latex Download PDFInfo
- Publication number
- DK200701099A DK200701099A DK200701099A DKPA200701099A DK200701099A DK 200701099 A DK200701099 A DK 200701099A DK 200701099 A DK200701099 A DK 200701099A DK PA200701099 A DKPA200701099 A DK PA200701099A DK 200701099 A DK200701099 A DK 200701099A
- Authority
- DK
- Denmark
- Prior art keywords
- reducing agent
- resistance reducing
- approx
- liquid
- alkyl
- Prior art date
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- 239000003638 chemical reducing agent Substances 0.000 title claims 20
- 239000004816 latex Substances 0.000 title claims 4
- 229920000126 latex Polymers 0.000 title claims 4
- 238000000034 method Methods 0.000 claims 26
- 239000007788 liquid Substances 0.000 claims 16
- 239000004094 surface-active agent Substances 0.000 claims 14
- -1 alkyl sulphates Chemical class 0.000 claims 10
- 239000002245 particle Substances 0.000 claims 8
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 claims 7
- 239000004215 Carbon black (E152) Substances 0.000 claims 7
- 229930195733 hydrocarbon Natural products 0.000 claims 7
- 150000002430 hydrocarbons Chemical class 0.000 claims 7
- 239000003112 inhibitor Substances 0.000 claims 6
- 239000000126 substance Substances 0.000 claims 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims 5
- 229930195729 fatty acid Natural products 0.000 claims 5
- 239000000194 fatty acid Substances 0.000 claims 5
- 238000002347 injection Methods 0.000 claims 5
- 239000007924 injection Substances 0.000 claims 5
- 229920000642 polymer Polymers 0.000 claims 5
- 239000002904 solvent Substances 0.000 claims 5
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical class OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 claims 4
- 125000003118 aryl group Chemical group 0.000 claims 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims 4
- 125000000623 heterocyclic group Chemical group 0.000 claims 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 3
- 150000002314 glycerols Chemical class 0.000 claims 3
- 229920001223 polyethylene glycol Polymers 0.000 claims 3
- 125000006702 (C1-C18) alkyl group Chemical group 0.000 claims 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims 2
- 150000001298 alcohols Chemical class 0.000 claims 2
- 150000001412 amines Chemical class 0.000 claims 2
- 238000004090 dissolution Methods 0.000 claims 2
- 239000000839 emulsion Substances 0.000 claims 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims 2
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 claims 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims 1
- 229910052770 Uranium Inorganic materials 0.000 claims 1
- 125000001931 aliphatic group Chemical group 0.000 claims 1
- 150000001350 alkyl halides Chemical class 0.000 claims 1
- 239000003849 aromatic solvent Substances 0.000 claims 1
- 239000003139 biocide Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000004359 castor oil Substances 0.000 claims 1
- 235000019438 castor oil Nutrition 0.000 claims 1
- 238000005260 corrosion Methods 0.000 claims 1
- 230000007797 corrosion Effects 0.000 claims 1
- 230000008021 deposition Effects 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 239000003995 emulsifying agent Substances 0.000 claims 1
- 238000007720 emulsion polymerization reaction Methods 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 125000004494 ethyl ester group Chemical group 0.000 claims 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 1
- 150000004665 fatty acids Chemical class 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- 229920006158 high molecular weight polymer Polymers 0.000 claims 1
- 230000036571 hydration Effects 0.000 claims 1
- 238000006703 hydration reaction Methods 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 150000002576 ketones Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 239000000178 monomer Substances 0.000 claims 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 239000012188 paraffin wax Substances 0.000 claims 1
- 239000003208 petroleum Substances 0.000 claims 1
- 235000021317 phosphate Nutrition 0.000 claims 1
- 238000006116 polymerization reaction Methods 0.000 claims 1
- 229910052717 sulfur Inorganic materials 0.000 claims 1
- 239000011593 sulfur Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/16—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity
- F17D1/17—Facilitating the conveyance of liquids or effecting the conveyance of viscous products by modification of their viscosity by mixing with another liquid, i.e. diluting
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Lubricants (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Colloid Chemistry (AREA)
- Pipeline Systems (AREA)
Claims (23)
1. Metode omfattende følgende trin: (a) transport af et modstandsreducerende middel af latex gennem en væskerør¬ledning med en længde på mindst ca. 500 feet (ca. 150 m) uden indføring afet separat ublandbart materiale, der letter strømning og har en lav viskositet,til periferien af rørledningen, idet det modstandsreducerende middel omfatteren kontinuerlig fase og et stort antal partikler af en polymer med høj molekyl¬vægt dispergeret i den kontinuerlige fase; og (b) indføring af det transporterede modstandsreducerende middel i væske, derstammer fra en underjordisk formation.
2. Metode til reducering af modstandskræfterne associeret med transport af en carbonhydridholdig væske gennem en undersøisk forbindelsesledning, hvilken metode omfatter følgende trin: (a) transport af et modstandsreducerende middel af latex fra en kontrolfacilitet tilet injektionspunkt i den undersøiske forbindelsesledning via en undersøiskforsyningsledning, idet kontrolfaciliteten og injektionspunktet er adskilt af enafstand på mindst 304,8 m (1.000 feet), og det modstandsreducerende middelomfatter en kontinuerlig fase inkluderende mindst ét overfladeaktivt middelmed høj HLB og mindst ét overfladeaktivt middel med lav HLB og et stort an¬tal partikler af en polymer med høj molekylvægt dispergeret i den kontinuerli¬ge fase; og (b) indføring af det transporterede modstandsreducerende middel i forbindelses¬ledningen ved injektionspunktet.
3. Metode til reducering af modstand i en forbindelsesledning, der transporterer en carbonhydridholdig væske, hvilken metode omfatter følgende trin: (a) transport af et modstandsreducerende middel gennem en væskerørledningmed en længde på mindst ca. 152 m (500 feet), idet det modstandsreduce¬rende middel omfatter en latex-emulsion inkluderende en mængde af partikleraf en modstandsreducerende polymer dannet ved en emulsionspolymerisa-tionsreaktion, polymeren har en vægtgennemsnitlig molekylvægt på mindstca. 1 x 106 g/moi, partiklerne har en gennemsnitlig partikelstørrelse på underca. 1000 nm, og latex-emulsionen er blevet modificeret ved tilsætning afmindst ét overfladeaktivt middel med lav HLB ; og (b) indføring af det transporterede modstandsreducerende middel i den carbon-hydridholdige væske.
4. Metode ifølge krav 1, hvorved den kontinuerlige fase af det modstandsredu¬cerende middel omfatter mindst ét overfladeaktivt middel med høj hydrofil-lipofil balan¬ce (HLB) og mindst ét overfladeaktivt middel med lav HLB.
5. Metode ifølge krav 3, hvorved det modstandsreducerende middel yderligereomfatter mindst ét overfladeaktivt middel med høj HLB med et HLB-tal på mindst ca. 8.
6. Metode ifølge krav 2 eller 4, hvorved det mindst ene overfladeaktive middelhar en høj HLB med et HLB-tal på mindst ca. 8.
7. Metode ifølge krav 5 eller 6, hvorved det mindst ene overfladeaktive middelmed høj HLB omfatter et eller flere overfladeaktive midler med høj HLB valgt blandtalkylsulfater, aikylethersulfater, diaikylsulfosuccinater, alkylphosphater, alkylarylsulfo-nater, sarcosinater. sorbitanestere, PEG-fedtsyreestere, ethoxylerede glycerolestere,ethoxylerede fede aminer, ethoxylerede sorbitanestere, blok-ethylenoxid/propylenoxid-overfladeaktive midler, alkohol/fedtsyreestere, ethoxylerede alkoholer, ethoxyleredefedtsyrer, alkoxylerede ricinusolien glycerolestere, lineære alkoholethoxylater og al-kylphenolethoxylater med høj HLB.
8. Metode ifølge et hvilket som helst af kravene 2, 3 eller 4, hvorved det mindstene overfladeaktive middel har en lav HLB med et HLB-tal på under ca. 6, især hvor¬ved det mindst ene overfladeaktive middel med lav HLB omfatter et eller flere overfla¬deaktive midler med lav HLB valgt blandt sorbitanestere, PEG-fedtsyreestere, ethoxy¬lerede glycerolestere, ethoxylerede fede aminer, ethoxylerede sorbitanestere, blok-ethylenoxid/propylenoxid-overfladeaktive midler, alkohol/fedtsyreestere, ethoxyleredealkoholer, ethoxylerede fedtsyrer, alkoxylerede ricinusolien glycerolestere, polyethy-lenglycoler, lineære alkoholethoxylater, alkylphenolethoxylater og olieopløselige poly¬mere emulgeringsmidler med lav HLB.
9. Metode ifølge krav 1 eller 2, hvorved polymeren har en vægtgennemsnitligmolekylvægt på mindst ca. 1 x 106 g/mol, eller hvorved partiklerne har en gennemsnit¬lig partikelstørrelse på under ca. 1000 nm.
10. Metode ifølge et hvilket som helst af kravene 1, 2 eller 3, hvorved mindst ca.95% af partiklerne har partikelstørrelser på mellem ca. 10 og 500 nm.
11. Metode ifølge krav 1 eller 2, hvorved den kontinuerlige fase af det modstands¬reducerende middel er vandig.
12. Metode ifølge krav 3, hvorved det modstandsreducerende middel yderligereomfatter en kontinuerlig fase inkluderende mindst én komponent valgt blandt vand, enpolær organisk væske og blandinger deraf.
13. Metode ifølge krav 11 eller 12, hvorved det modstandsreducerende middelyderligere omfatter mindst ét opløsningsmiddel dispergeret i den kontinuerlige fase,især hvorved dette mindst ene opløsningsmiddel er valgt blandt aromatiske opløs¬ningsmidler, delvis og fuldt hydrogenerede opløsningsmidler, glycoler, glycolethere,estere, nitrogenholdige opløsningsmidler, aliphatiske og aromatiske alkoholer, ketoner,svovlholdige opløsningsmidler, tetrahyd rof uran, alkylhalogenider og kombinationerderaf.
14. Metode ifølge et hvilket som helst af kravene 1, 2 eller 3, hvorved polymerenmed høj molekylvægt henholdsvis polymeren er dannet ved polymerisation af en ellerflere monomerer valgt blandt: (A)
hvori R, betyder H eller en Ch-C^-alkylgruppe, og R2 betyder H eller en Ci-C30-alkyl-gruppe; (B)
hvori R3 betyder CH=CH2 eller 0Η3-0=0Η2, og R4 betyder H eller en CrC3o-alkyl-gruppe; (C)
hvori R5 betyder H eller en C--C3o-alkylgruppe; (D)
hvori R6 betyder H eller en C-,-C30-alkylgruppe; (E)
hvori R7 betyder H eller en CrCi8-alkylgruppe, og Rs betyder H eller en CrC18-alkyl-gruppe; (F)
hvori R9 og R10 uafhængigt betyder H, Ci-C30-a1kyl-, aryl-, cycloalkyl- eller heterocycli-ske grupper; (G)
hvori Ru og R12 uafhængigt betyder H, Ci-C30 -alkyl-, aryl-, cycloalkyl- eller heterocycli-ske grupper; (H)
hvori Ri3 og R14 uafhængigt betyder H, Ci-C30-alkyl-, aryl-, cycloalkyl- eller heterocycli-ske grupper; og O)
hvori R15 betyder H, en Ci-C3o*alkyl-, aryl-, cycloalkyl- eller heterocyclisk gruppe.
15. Metode ifølge krav 1, hvorved det modstandsreducerende middel har en car-bonhydridopløsningshastighedskonstant på mindst ca. 0,004 min'1 i petroleum ved20°C eller en carbonhydridopløsningshastighedskonstant på mindst ca. 0,01 min'1 ipetroleum ved 40°C.
16. Metode ifølge krav 1, hvorved væsken transporteres i en forbindelsesledningunder trin (b), især hvorved væsken transporteres i en forbindelsesledning under trin(b), og forbindelsesledningen omfatter en carbonhydridholdig væske.
17. Metode ifølge krav 1, hvorved væskerørledningen er en undersøisk forsy¬ningsledning, især hvorved væskerørledningen er en undersøisk forsyningsledning, ogforsyningsledningen er mindst ca. 304,8 m (1000 feet) lang og omfatter et stort antalkemikalieinjektionsledninger, og det modstandsreducerende middel transporteresgennem mindst én af disse rørledninger med en maksimal indvendig diameter på ca.6,35 cm (2,5 inches) eller mindre.
18. Metode ifølge krav 1 eller 2, hvorved det modstandsreducerende middel udvi¬ser et trykfald på under ca, 5 psi pr. feet (ca. 1,16 kg/cm2 pr. m) under trin (a).
19. Metode ifølge krav 1, hvorved væsken transporteres i en forbindelsesledningunder trin (b), trin (b) inkluderer tilvejebringelse af mindst ca. en 2% modstandsreduk¬tion i forbindelsesledningen, eller den kontinuerlige fase af det modstandsreducerendemiddel omfattende en polær organisk væske.
20. Metode ifølge krav 2, hvorved forsyningsledningen har en maksimal indvendigdiameter på ca. 6,25 cm (2,5 inches) eller mindre, især hvorved trin (b) inkluderer til¬vejebringelse af mindst ca. en 2% modstandsreduktion i forbindelsesledningen.
21. Metode ifølge krav 3, hvorved den carbonhydridholdige væske transporteres ien forbindelsesledning under trin (b), især hvorved væsken transporteres i en forbin¬delsesledning under trin (b), og trin (b) inkluderer tilvejebringelse af mindst ca. en 2%modstandsreduktion i forbindelsesledningen.
22. Metode ifølge krav 3, hvorved væskerørledningen er en undersøisk forsy¬ningsledning.
23. Metode ifølge krav 2 eller 22, hvorved forsyningsledningen inkluderer et stortantal kemikalieinjektionsledninger, der hver har en maksimal indvendig diameter påca. 6,35 cm (2,5 inches) eller mindre, hvorved trin (a) inkluderer transport af det mod¬standsreducerende middel gennem mindst én af kemikalieinjektionsledningerne, især hvorved metoden yderligere omfatter: samtidigt med trin (a), transport af et strømningsikrende kemikalie, der er forskelligt fradet modstandsreducerende middel, gennem forsyningsledningen,idet det strømningsikrende kemikalie fortrinsvis er mindst ét kemikalie valgt blandt hy-dratationsinhibitorer, korrosionsinhibitorer, paraffininhibitorer, asphalteninhibitorer,afsætningsdannelsesinhibitorer, biocider, hydrogensulfidinhibitorer, demulgeringsmid-ler, oxygenbindende midler og kombinationer deraf.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US2689204 | 2004-12-30 | ||
| US11/026,892 US7361628B2 (en) | 2004-12-30 | 2004-12-30 | Remote delivery of latex drag-reducing agent without introduction of immiscible low-viscosity flow facilitator |
| PCT/US2005/045973 WO2006073780A2 (en) | 2004-12-30 | 2005-12-19 | Remote delivery of latex drag-reducing agent |
| US2005045973 | 2005-12-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK200701099A true DK200701099A (da) | 2007-07-27 |
| DK177363B1 DK177363B1 (da) | 2013-02-18 |
Family
ID=36639056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DKPA200701099A DK177363B1 (da) | 2004-12-30 | 2007-07-27 | Fjerntilførsel af modstandsreducerende middel af latex |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US7361628B2 (da) |
| CN (1) | CN101094969B (da) |
| AR (1) | AR053531A1 (da) |
| AU (1) | AU2005323129B9 (da) |
| BR (1) | BRPI0517730B1 (da) |
| CA (1) | CA2586402C (da) |
| DK (1) | DK177363B1 (da) |
| EA (1) | EA014587B1 (da) |
| GB (1) | GB2437673B (da) |
| GE (1) | GEP20094808B (da) |
| MX (1) | MX2007005965A (da) |
| MY (1) | MY144031A (da) |
| NO (1) | NO343757B1 (da) |
| WO (1) | WO2006073780A2 (da) |
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| US20070284110A1 (en) * | 2006-06-08 | 2007-12-13 | Harris William F | Downhole flow improvement |
| US7884144B2 (en) * | 2006-07-28 | 2011-02-08 | Conocophillips Company | Hydrate inhibited latex flow improver |
| US7635028B2 (en) | 2006-09-18 | 2009-12-22 | Schlumberger Technology Corporation | Acidic internal breaker for viscoelastic surfactant fluids in brine |
| US7779915B2 (en) * | 2006-09-18 | 2010-08-24 | Schlumberger Technology Corporation | Methods of limiting leak off and damage in hydraulic fractures |
| US8481462B2 (en) | 2006-09-18 | 2013-07-09 | Schlumberger Technology Corporation | Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids |
| US7398829B2 (en) * | 2006-09-18 | 2008-07-15 | Schlumberger Technology Corporation | Methods of limiting leak off and damage in hydraulic fractures |
| US8022118B2 (en) * | 2006-12-22 | 2011-09-20 | Conocophillips Company | Drag reduction of asphaltenic crude oils |
| US9676878B2 (en) | 2011-08-12 | 2017-06-13 | Liquidpower Specialty Products Inc. | Monomer selection to prepare ultra high molecular weight drag reducer polymer |
| US9784414B2 (en) | 2006-12-22 | 2017-10-10 | Liquidpower Specialty Products, Inc. | Drag reduction of asphaltenic crude oils |
| US10011763B2 (en) | 2007-07-25 | 2018-07-03 | Schlumberger Technology Corporation | Methods to deliver fluids on a well site with variable solids concentration from solid slurries |
| US9040468B2 (en) | 2007-07-25 | 2015-05-26 | Schlumberger Technology Corporation | Hydrolyzable particle compositions, treatment fluids and methods |
| US20120305254A1 (en) * | 2011-06-06 | 2012-12-06 | Yiyan Chen | Methods to improve stability of high solid content fluid |
| WO2009042319A1 (en) | 2007-09-25 | 2009-04-02 | Exxonmobil Upstream Research Company | Method for managing hydrates in subsea production line |
| US8469101B2 (en) | 2007-09-25 | 2013-06-25 | Exxonmobil Upstream Research Company | Method and apparatus for flow assurance management in subsea single production flowline |
| US7888407B2 (en) * | 2007-10-26 | 2011-02-15 | Conocophillips Company | Disperse non-polyalphaolefin drag reducing polymers |
| US7842738B2 (en) * | 2007-10-26 | 2010-11-30 | Conocophillips Company | High polymer content hybrid drag reducers |
| WO2009080380A2 (en) * | 2007-12-19 | 2009-07-02 | Evonik Röhm Gmbh | Process for preparing (meth)acrylates |
| US20090209679A1 (en) * | 2008-02-14 | 2009-08-20 | Conocophillips Company | Core-shell flow improver |
| US8916626B2 (en) * | 2008-07-31 | 2014-12-23 | Lubrizol Specialty Products, Inc. | Drag reducing copolymers for cold fluid applications |
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| BRPI0517730A (pt) | 2008-10-21 |
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| AU2005323129B2 (en) | 2011-06-02 |
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| GB0714694D0 (en) | 2007-09-05 |
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| CA2586402A1 (en) | 2006-07-13 |
| GEP20094808B (en) | 2009-10-26 |
| GB2437673A (en) | 2007-10-31 |
| AU2005323129A1 (en) | 2006-07-13 |
| CA2586402C (en) | 2010-03-30 |
| EA200701414A1 (ru) | 2008-02-28 |
| BRPI0517730A8 (pt) | 2017-12-05 |
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