CN109057753B - 油井解堵方法 - Google Patents
油井解堵方法 Download PDFInfo
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- CN109057753B CN109057753B CN201810916894.7A CN201810916894A CN109057753B CN 109057753 B CN109057753 B CN 109057753B CN 201810916894 A CN201810916894 A CN 201810916894A CN 109057753 B CN109057753 B CN 109057753B
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 17
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 17
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 17
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 147
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- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims description 38
- 238000003756 stirring Methods 0.000 claims description 35
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- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 claims description 14
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000004471 Glycine Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- FCBUKWWQSZQDDI-UHFFFAOYSA-N rhamnolipid Chemical compound CCCCCCCC(CC(O)=O)OC(=O)CC(CCCCCCC)OC1OC(C)C(O)C(O)C1OC1C(O)C(O)C(O)C(C)O1 FCBUKWWQSZQDDI-UHFFFAOYSA-N 0.000 claims description 13
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- HDTRYLNUVZCQOY-UHFFFAOYSA-N α-D-glucopyranosyl-α-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OC1C(O)C(O)C(O)C(CO)O1 HDTRYLNUVZCQOY-UHFFFAOYSA-N 0.000 claims description 11
- ACEAELOMUCBPJP-UHFFFAOYSA-N (E)-3,4,5-trihydroxycinnamic acid Natural products OC(=O)C=CC1=CC(O)=C(O)C(O)=C1 ACEAELOMUCBPJP-UHFFFAOYSA-N 0.000 claims description 11
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- 235000014113 dietary fatty acids Nutrition 0.000 claims description 11
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 11
- 229930195729 fatty acid Natural products 0.000 claims description 11
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- 235000019832 sodium triphosphate Nutrition 0.000 claims description 11
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- 238000000498 ball milling Methods 0.000 claims description 10
- -1 pentamethylene phosphonic acid Chemical compound 0.000 claims description 10
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 9
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- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 9
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
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- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 8
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical group CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 claims description 7
- 102000002322 Egg Proteins Human genes 0.000 claims description 7
- 108010000912 Egg Proteins Proteins 0.000 claims description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 7
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- 210000000969 egg white Anatomy 0.000 claims description 7
- 239000002994 raw material Substances 0.000 claims description 7
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- 230000001681 protective effect Effects 0.000 claims description 6
- XFLNVMPCPRLYBE-UHFFFAOYSA-J tetrasodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate;tetrahydrate Chemical compound O.O.O.O.[Na+].[Na+].[Na+].[Na+].[O-]C(=O)CN(CC([O-])=O)CCN(CC([O-])=O)CC([O-])=O XFLNVMPCPRLYBE-UHFFFAOYSA-J 0.000 claims description 6
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- NFDRPXJGHKJRLJ-UHFFFAOYSA-N edtmp Chemical compound OP(O)(=O)CN(CP(O)(O)=O)CCN(CP(O)(O)=O)CP(O)(O)=O NFDRPXJGHKJRLJ-UHFFFAOYSA-N 0.000 claims description 5
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- MOCOXAJEZKHXSF-IHMBCTQLSA-M sodium;(2s,4as,6ar,6as,6br,8ar,10s,12as,14br)-10-hydroxy-2,4a,6a,6b,9,9,12a-heptamethyl-13-oxo-3,4,5,6,6a,7,8,8a,10,11,12,14b-dodecahydro-1h-picene-2-carboxylate Chemical compound [Na+].C([C@H]1C2=CC(=O)[C@H]34)[C@@](C)(C([O-])=O)CC[C@]1(C)CC[C@@]2(C)[C@]4(C)CC[C@@H]1[C@]3(C)CC[C@H](O)C1(C)C MOCOXAJEZKHXSF-IHMBCTQLSA-M 0.000 description 1
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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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
-
- C—CHEMISTRY; METALLURGY
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
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Abstract
Description
组别 | 解堵前渗透率(10<sup>-3</sup>μm<sup>2</sup>) | 解堵后渗透率(10<sup>-3</sup>μm<sup>2</sup>) | 溶垢率(%) |
实施例1 | 8.20 | 529.67 | 96.45 |
实施例2 | 8.20 | 526.53 | 94.89 |
实施例3 | 8.20 | 527.88 | 95.56 |
比较例1 | 8.20 | 281.69 | 53.69 |
比较例2 | 8.20 | 266.91 | 48.35 |
比较例3 | 8.20 | 271.04 | 52.77 |
组别 | 腐蚀速率g/(m<sup>2</sup>·h) |
实施例1 | 0.2901 |
实施例2 | 0.3215 |
实施例3 | 0.3086 |
比较例1 | 0.3277 |
比较例2 | 0.3194 |
比较例3 | 0.3204 |
组别 | 30min | 60min | 120min |
实施例1 | 8.5 | 9.2 | 10.0 |
实施例2 | 8.4 | 9.0 | 9.8 |
实施例3 | 8.5 | 9.1 | 10.0 |
比较例1 | 8.2 | 8.9 | 9.9 |
比较例2 | 8.1 | 8.9 | 9.9 |
比较例3 | 8.2 | 9.0 | 9.8 |
空白样 | 8.2 | 9.0 | 9.8 |
Claims (7)
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