CN101798499B - Strong inhibition type anti-collapse foam liquid for drilling - Google Patents
Strong inhibition type anti-collapse foam liquid for drilling Download PDFInfo
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- CN101798499B CN101798499B CN2010101542447A CN201010154244A CN101798499B CN 101798499 B CN101798499 B CN 101798499B CN 2010101542447 A CN2010101542447 A CN 2010101542447A CN 201010154244 A CN201010154244 A CN 201010154244A CN 101798499 B CN101798499 B CN 101798499B
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Abstract
The invention relates to foam liquid for drilling, in particular to strong inhibition type anti-collapse foam liquid for drilling, which is characterized by being prepared with the following components in parts by weight: 0.09-0.11 part of foam stabilizer, 0.36-0.44 part of foaming agent, 2.34-2.86 parts of anti-collapse agent, 2.7-3.3 parts of fluid loss additive and 94.51-93.29 parts of water. When complex situations such as formation water occur to gas drilling, the foam liquid of the invention can effectively improve the rock carrying capacity and the water carrying capacity and simultaneously protect the stability of the upper well wall. Laboratory studies shown that the foam liquid has high foaming capacity, the foaming capacity is more than or equal to 500 percent, the half-life is moderate, and the foam liquid can be easily controlled and is conducive to drilling engineering construction.
Description
Technical field
The invention belongs to drilling foams liquid, particularly a kind of strong inhibition type anti-collapse foam liquid for drilling.
Background technology
In the under-balanced drilling process, when the stratum aquifer yield is big, can take the foam drilling mode at present.Foam drilling is to utilize foam to take the strong characteristics of water large rock-carrying ability.But regular foam can not effectively be protected the borehole wall in drilling process; Be prone to cause borehole well instability, for the top mudstone stratum, under the situation of borehole wall unbalance stress; Running into foam possibly collapse because of aquation causes, and need provide a kind of strong inhibition type anti-collapse foam liquid to come the effectively protection borehole wall for this reason.
Summary of the invention
The purpose of this invention is to provide a kind of strong inhibition type anti-collapse foam liquid for drilling, this foam solution has very strong inhibition, the landwaste recovery >=90%; Take water take lithology good in, can effectively protect upper formation again, realize creeping into safely and fast; It has, and foam number is big, and the time of surely steeping is moderate, is easy to control; Anti-collapse strong inhibition capability, WL is little, the technology characteristic of simple.
Technical scheme of the present invention is: a kind of strong inhibition type anti-collapse foam liquid for drilling is provided; It is characterized in that: it is made up of following component and weight part thereof: suds-stabilizing agent 0.09-0.11 part, whipping agent 0.36-0.44 part, anti-collapse dose of 2.34-2.86 part, fluid loss agent 2.7-3.3 part, water 94.51-93.29 part, described suds-stabilizing agent 0.09-0.11 part is [C by molecular formula specifically
6H
7O
2(OH)
2CH
2COONa]
nWherein sticking CMC 99.5 0.045-0.055 part of the height of n=500 ten thousand-7,000,000 and molecular formula are (C
35H
49O
29)
nWherein XG 550 0.045-0.055 part of n=150 ten thousand-2,000,000 is formed; Described whipping agent 0.36-0.44 part is that tensio-active agent 0.045-0.055 part of whipping agent SW-1 is formed by sodium lauryl sulphate K-12 0.135-0.165 part, polyoxyethylenated alcohol sodium sulfate AES 0.135-0.165 part, polyoxyethylene octyl phenyl ether OP-10 0.045-0.055 part, trade name specifically; Said anti-collapse dose of 2.34-2.86 part is that to form agent 0.27-0.33 part, trade name be that mud shale suppressor factor 0.27-0.33 part, Repone K KCL 1.8-2.2 part of mud shale suppressor factor positively charged ion I is formed for the secondary organic cation of anti-collapse dose of CSJ-1 by trade name specifically; Described fluid loss agent 2.7-3.3 part specifically is made up of CMS 1.8-2.2 part and 1250 order lime carbonate 0.9-1.1 parts; Wherein, trade name is that tensio-active agent, the trade name of whipping agent SW-1 are that to form agent, trade name be that three kinds of reagent markets of mud shale suppressor factor of mud shale suppressor factor positively charged ion I are all on sale for the secondary organic cation of anti-collapse dose of CSJ-1.
Described a kind of strong inhibition type anti-collapse foam liquid for drilling optimum weight part is composed of the following components: 0.1 part of suds-stabilizing agent, 0.4 part, anti-collapse dose 2.6 parts of whipping agents, 3 parts of fluid loss agents, 93.9 parts in water, described suds-stabilizing agent is [C by molecular formula specifically for 0.1 part
6H
7O
2(OH)
2CH
2COONa]
nWherein the sticking CMC 99.5 of the height of n=600 ten thousand is (C with molecular formula for 0.05 part
35H
49O
29)
n0.05 part of composition of XG 550 of n=160 ten thousand wherein; 0.4 part of described whipping agent is that the tensio-active agent of whipping agent SW-1 is formed for 0.05 part by 0.15 part of sodium lauryl sulphate K-12,0.15 part of polyoxyethylenated alcohol sodium sulfate AES, 0.05 part of polyoxyethylene octyl phenyl ether OP-10, trade name specifically; Said anti-collapse dose 2.6 parts is that to form 0.3 part of agent, trade name be that 0.3 part in mud shale suppressor factor, the Repone K KCL of mud shale suppressor factor positively charged ion I forms for 2 parts for the secondary organic cation of anti-collapse dose of CSJ-1 by trade name specifically; Described fluid loss agent specifically is made up of for 1 part 2 parts of CMSs and 1250 order lime carbonate for 3 parts; Wherein, trade name is that tensio-active agent, the trade name of whipping agent SW-1 are that to form agent, trade name be that three kinds of reagent markets of mud shale suppressor factor of mud shale suppressor factor positively charged ion I are all on sale for the secondary organic cation of anti-collapse dose of CSJ-1.
Described trade name is that tensio-active agent, the trade name of whipping agent SW-1 is that the secondary organic cation formation agent of anti-collapse dose of CSJ-1, three kinds of reagent that trade name is the mud shale suppressor factor of mud shale suppressor factor positively charged ion I are all purchased the long celebrating science and technology limited Company in Xi'an.
Wherein trade name is that the tensio-active agent staple of whipping agent SW-1 is an empgen BB, and its chemical name is a dodecyl dimethyl amine second lactone, and its attribute is a zwitterionics; Trade name is that the secondary organic cation formation agent staple of anti-collapse dose of CSJ-1 is a nitro khm, the tricarboxylic sylvan; Trade name be the mud shale suppressor factor of mud shale suppressor factor positively charged ion I be with vinylformic acid, to gather quaternary amine be host, be polymerized by initiator.
Characteristics of the present invention are: this foam solution to take water mechanism identical with other foam solution, promptly inject high velocity air to foam solution and generate foam, mixes with local water behind the shaft bottom and is converted into foam solution, form three-phase and flow, return out through annular space.Strengthened gas so greatly and taken outlet capacity, and can effectively clean drill bit and avoid mud drum.Outstanding feature is its strong caving-preventing characteristic that suppresses, and makes it become electroneutral with rock of borehole institute is electronegative in anti-collapse dose of the inorganic salts, prevents its hydration swelling, and can form mud cake in borehole wall surface, stops fluidic to immerse, and can play lubrication.Test-results shows this foamy primary recovery >=90%, and secondary recovery rate >=80% reclaims the gained cutting grain and do not disperse; Whipping agent and suds-stabilizing agent are composite rationally, gas release >=500%, and foaming effect is outstanding in similar foam solution.Material therefor is daily use chemicals, petroleum industry product commonly used, wide material sources.
Embodiment
Below in conjunction with embodiment the present invention is done further explain, but not as to qualification of the present invention.
Embodiment 1:
A kind of strong inhibition type anti-collapse foam liquid for drilling is by following formula prepared:
0.1 kilogram of suds-stabilizing agent is specifically: molecular formula is [C
6H
7O
2(OH)
2CH
2COONa]
nWherein to be 0.05 kilogram be (C with molecular formula to the sticking CMC 99.5 of the height of n=600 ten thousand
35H
49O
29)
nWherein the XG 550 XCD of n=160 ten thousand is 0.05 kilogram;
0.4 kilogram of whipping agent is specifically: sodium lauryl sulphate K-12 is that 0.15 kilogram, polyoxyethylenated alcohol sodium sulfate AES are that 0.15 kilogram, polyoxyethylene octyl phenyl ether OP-10 are that 0.05 kilogram, trade name are that the tensio-active agent of whipping agent SW-1 is 0.05 kilogram;
Anti-collapse dose 2.6 kilograms specifically: trade name is that to form agent be that 0.3 kilogram, trade name are that the mud shale suppressor factor of mud shale suppressor factor positively charged ion I is that 0.3 kilogram, Repone K KCL are 2 kilograms to the secondary organic cation of anti-collapse dose of CSJ-1;
3 kilograms of fluid loss agents are specifically: 2 kilograms of CMSs and 1250 order lime carbonate are 1 kilogram;
Preparation technology: add 0.1 kilogram of suds-stabilizing agent, anti-collapse dose 2.6 kilograms, fluid loss agent successively in 93.9 kg water for 3 kilograms in proportion, high-speed stirring is placed and was made the abundant aquation of superpolymer in 24 hours, adds whipping agent at last and stirs for 0.4 kilogram and get final product.
The foam solution of processing with the weight part of this prescription is the best.
Embodiment 2:
A kind of strong inhibition type anti-collapse foam liquid for drilling is by following formula prepared:
0.09 kilogram of suds-stabilizing agent is specifically: molecular formula is [C
6H
7O
2(OH)
2CH
2COONa]
nWherein to be 0.045 kilogram be (C with molecular formula to the sticking CMC 99.5 of the height of n=500 ten thousand
35H
49O
29)
nWherein the XG 550 of n=150 ten thousand is 0.045 kilogram;
0.36 kilogram of whipping agent is specifically: sodium lauryl sulphate K-12 is that 0.135 kilogram, polyoxyethylenated alcohol sodium sulfate AES are that 0.135 kilogram, polyoxyethylene octyl phenyl ether OP-10 are that 0.045 kilogram, trade name are that the tensio-active agent of whipping agent SW-1 is 0.045 kilogram;
Anti-collapse dose 2.34 kilograms specifically: trade name is that to form agent be that 0.27 kilogram, trade name are that the mud shale suppressor factor of mud shale suppressor factor positively charged ion I is that 0.27 kilogram, Repone K KCL are 1.8 kilograms to the secondary organic cation of anti-collapse dose of CSJ-1;
2.7 kilograms of fluid loss agents are specifically: 1.8 kilograms of CMSs and 1250 order lime carbonate are 0.9 kilogram;
Preparation technology: add 0.09 kilogram of suds-stabilizing agent, anti-collapse dose 2.34 kilograms, fluid loss agent successively in 94.51 kg water for 2.7 kilograms in proportion, high-speed stirring is placed and was made the abundant aquation of superpolymer in 24 hours, adds whipping agent at last and stirs for 0.36 kilogram and get final product.
Embodiment 3:
A kind of strong inhibition type anti-collapse foam liquid for drilling is by following formula prepared:
0.11 kilogram of suds-stabilizing agent is specifically: molecular formula is [C
6H
7O
2(OH)
2CH
2COONa]
nWherein to be 0.055 kilogram be (C with molecular formula to the sticking CMC 99.5 of the height of n=700 ten thousand
35H
49O
29)
nWherein the XG 550 XCD of n=200 ten thousand is 0.055 kilogram;
0.44 kilogram of whipping agent is specifically: sodium lauryl sulphate K-12 is that 0.165 kilogram, polyoxyethylenated alcohol sodium sulfate AES are that 0.165 kilogram, polyoxyethylene octyl phenyl ether OP-10 are that 0.055 kilogram, trade name are that the tensio-active agent of whipping agent SW-1 is 0.055 kilogram;
Anti-collapse dose 2.86 kilograms specifically: trade name is that to form agent be that 0.33 kilogram, trade name are that the mud shale suppressor factor of mud shale suppressor factor positively charged ion I is that 0.33 kilogram, Repone K KCL are 2.2 kilograms to the secondary organic cation of anti-collapse dose of CSJ-1;
3.3 kilograms of fluid loss agents are specifically: 2.2 kilograms of CMSs and 1250 order lime carbonate are 1.1 kilograms;
Preparation technology: add 0.11 kilogram of suds-stabilizing agent, anti-collapse dose 2.86 kilograms, fluid loss agent successively in 93.29 kg water for 3.3 kilograms in proportion, high-speed stirring is placed and was made the abundant aquation of superpolymer in 24 hours, adds whipping agent at last and stirs for 0.44 kilogram and get final product.
Wherein trade name in the foregoing description is that the tensio-active agent staple of whipping agent SW-1 is an empgen BB, and its chemical name is a dodecyl dimethyl amine second lactone, and its attribute is a zwitterionics; Trade name is that the secondary organic cation formation agent staple of anti-collapse dose of CSJ-1 is a nitro khm, the tricarboxylic sylvan; Trade name be the mud shale suppressor factor of mud shale suppressor factor positively charged ion I be with vinylformic acid, to gather quaternary amine be host, be polymerized by initiator.Trade name is that tensio-active agent, the trade name of whipping agent SW-1 is that the secondary organic cation formation agent of anti-collapse dose of CSJ-1, three kinds of reagent that trade name is the mud shale suppressor factor of mud shale suppressor factor positively charged ion I are all purchased the long celebrating science and technology limited Company in Xi'an; Address: Jing He industry park, Xian City, Shanxi Province; Postcode: 710018, the external public offering of the said firm; Simultaneously they except that can reach in above-mentioned company, can also buy from other company.
Described foam solution performance sees the following form.
Table 1 strong inhibition type anti-collapse foam liquid performance
Annotate: FV: funnel viscosity; PV: PV; YP: yield value; API FL: filter loss
Through the adjustment and the proof of shop experiment, the foam solution that adopts prescription provided by the invention to process has good lathering property, moderate controlled steady bubble time, stronger anti-collapse inhibition and temperature resistance, anti-salt and oil-resistant characteristic preferably.These performances can be good at reaching the requirement of foam drilling construction.Therefore, determine DWA down-hole water outlet of the foam fluid power better solutions that prescription provided by the invention is processed is complicated, for gas drilling safe and efficient very big effect is arranged.
When the whipping agent dosage is less than normal, can reduce the foaming effect of foam solution, frothing percentage does not reach requirement, when anti-collapse dose of dosage is less than normal; The recovery of landwaste reduces, and is unfavorable for wellbore stability, when the suds-stabilizing agent dosage is less than normal; The foamy transformation period shortens, and is unfavorable for foam drilling, when the suds-stabilizing agent dosage is bigger than normal; Foam solution foaming difficulty, viscosity is big, is unfavorable for foam drilling.
Claims (2)
1. strong inhibition type anti-collapse foam liquid for drilling; It is characterized in that: it is made up of following component and weight part thereof: suds-stabilizing agent 0.09-0.11 part, whipping agent 0.36-0.44 part, anti-collapse dose of 2.34-2.86 part, fluid loss agent 2.7-3.3 part, water 94.51-93.29 part, described suds-stabilizing agent 0.09-0.11 part is [C by molecular formula specifically
6H
7O
2(OH)
2CH
2COONa]
nWherein sticking CMC 99.5 0.045-0.055 part of the height of n=500 ten thousand-7,000,000 and molecular formula are (C
35H
49O
29)
nWherein XG 550 0.045-0.055 part of n=150 ten thousand-2,000,000 is formed; Described whipping agent 0.36-0.44 part is that tensio-active agent 0.045-0.055 part of whipping agent SW-1 is formed by sodium lauryl sulphate K-12 0.135-0.165 part, polyoxyethylenated alcohol sodium sulfate AES 0.135-0.165 part, polyoxyethylene octyl phenyl ether OP-10 0.045-0.055 part, trade name specifically; Said anti-collapse dose of 2.34-2.86 part is that to form agent 0.27-0.33 part, trade name be that mud shale suppressor factor 0.27-0.33 part, potassium chloride (KCl) 1.8-2.2 part of mud shale suppressor factor positively charged ion I is formed for the secondary organic cation of anti-collapse dose of CSJ-1 by trade name specifically; Described fluid loss agent 2.7-3.3 part specifically is made up of CMS 1.8-2.2 part and 1250 order lime carbonate 0.9-1.1 parts; Wherein, described trade name is that tensio-active agent, the trade name of whipping agent SW-1 are that the secondary organic cation formation agent of anti-collapse dose of CSJ-1, three kinds of reagent that trade name is the mud shale suppressor factor of mud shale suppressor factor positively charged ion I are all purchased the long celebrating science and technology limited Company in Xi'an.
2. a kind of strong inhibition type anti-collapse foam liquid for drilling according to claim 1; It is characterized in that: it is made up of following component and weight part thereof: 0.1 part of suds-stabilizing agent, 0.4 part, anti-collapse dose 2.6 parts of whipping agents, 3 parts of fluid loss agents, 93.9 parts in water, described suds-stabilizing agent is [C by molecular formula specifically for 0.1 part
6H
7O
2(OH)
2CH
2COONa]
nWherein the sticking CMC 99.5 of the height of n=600 ten thousand is (C with molecular formula for 0.05 part
35H
49O
29)
n0.05 part of composition of XG 550 of n=160 ten thousand wherein; 0.4 part of described whipping agent is that the tensio-active agent of whipping agent SW-1 is formed for 0.05 part by 0.15 part of sodium lauryl sulphate K-12,0.15 part of polyoxyethylenated alcohol sodium sulfate AES, 0.05 part of polyoxyethylene octyl phenyl ether OP-10, trade name specifically; Said anti-collapse dose 2.6 parts is that to form 0.3 part of agent, trade name be that 0.3 part in mud shale suppressor factor, the potassium chloride (KCl) of mud shale suppressor factor positively charged ion I formed for 2 parts for the secondary organic cation of anti-collapse dose of CSJ-1 by trade name specifically; Described fluid loss agent specifically is made up of for 1 part 2 parts of CMSs and 1250 order lime carbonate for 3 parts; Wherein, described trade name is that tensio-active agent, the trade name of whipping agent SW-1 are that the secondary organic cation formation agent of anti-collapse dose of CSJ-1, three kinds of reagent that trade name is the mud shale suppressor factor of mud shale suppressor factor positively charged ion I are all purchased the long celebrating science and technology limited Company in Xi'an.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101542447A CN101798499B (en) | 2010-03-30 | 2010-04-23 | Strong inhibition type anti-collapse foam liquid for drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010135295 | 2010-03-30 | ||
| CN201010135295.5 | 2010-03-30 | ||
| CN2010101542447A CN101798499B (en) | 2010-03-30 | 2010-04-23 | Strong inhibition type anti-collapse foam liquid for drilling |
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| Publication Number | Publication Date |
|---|---|
| CN101798499A CN101798499A (en) | 2010-08-11 |
| CN101798499B true CN101798499B (en) | 2012-09-05 |
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|---|---|---|---|
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| CN101798499A (en) | 2010-08-11 |
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