CN106010487A - Capsule cytoplosm agent for coal bed gas fuzzy-ball drilling fluid and coal bed gas fuzzy-ball drilling fluid - Google Patents
Capsule cytoplosm agent for coal bed gas fuzzy-ball drilling fluid and coal bed gas fuzzy-ball drilling fluid Download PDFInfo
- Publication number
- CN106010487A CN106010487A CN201610391380.5A CN201610391380A CN106010487A CN 106010487 A CN106010487 A CN 106010487A CN 201610391380 A CN201610391380 A CN 201610391380A CN 106010487 A CN106010487 A CN 106010487A
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- Prior art keywords
- capsule
- drilling fluid
- coal bed
- agent
- bed gas
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Classifications
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- 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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/426—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells for plugging
-
- 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
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/032—Inorganic additives
-
- 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
- C09K8/03—Specific additives for general use in well-drilling compositions
- C09K8/035—Organic additives
-
- 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
- C09K8/04—Aqueous well-drilling compositions
- C09K8/06—Clay-free compositions
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
The invention relates to a capsule cytoplosm agent for a coal bed gas fuzzy-ball drilling fluid and the coal bed gas fuzzy-ball drilling fluid. The capsule cytoplosm agent is prepared by mixing 3 to 5 parts by weight of amylopectin, 0.95 to 1.05 parts by weight of sodium hydroxide, and 4 to 7 parts by weight of sodium carboxymethylcellulose (petroleum-grade medium viscosity). The coal bed gas fuzzy-ball drilling fluid prepared from the capsule cytoplosm agent comprises 100 parts by weight of water and 2.2 to 3.6 parts by weight of the capsule cytoplosm agent. The invention aims to provide the capsule cytoplosm agent for the coal bed gas fuzzy-ball drilling fluid and the coal bed gas fuzzy-ball drilling fluid, wherein the capsule cytoplosm agent can enhance the fuzzy-ball strength, prolongs the fuzzy-ball life, stabilizes the fuzzy-ball structure in a system, makes the thickness of the membrane and layer of the fuzzy-ball thicker, has higher strength, and can effectively prevent gas in a gas bladder from overflowing.
Description
Technical field
The present invention relates to CBM Drilling field, relate in particular to a kind of coal bed gas floss capsule drilling fluid capsule matter agent and coal seam
Gas floss capsule drilling fluid.
Background technology
In prior art for working solution capsule matter agent be mainly composed of amylopectin, but the floss that this kind of capsule matter agent is formed
The film of capsule and layer thickness still than relatively thin, intensity is relatively low, less desirable for gas effusion effect in effectively stoping gas gallbladder.
Summary of the invention
It is an object of the invention to provide one and can strengthen floss capsule intensity, extend the floss capsule life-span, the floss capsule knot in stabilising system
Structure, makes the film of floss capsule thicker with layer thickness, and intensity is higher, and can effectively stop the coal bed gas floss capsule of gas effusion in gas gallbladder
Drilling fluid capsule matter agent and coal bed gas floss capsule drilling fluid.
The capsule matter agent of the present invention, is characterized in that: described capsule matter agent by the amylopectin of 35 weight portions, 0.95 1.05
The sodium hydroxide of weight portion, the sodium carboxymethyl cellulose (glutinous in grade oil) of 47 weight portions are mixed.
Preferably, described capsule matter agent is by the amylopectin of 3.2 4.8 weight portions, the hydroxide of 0.96 1.04 weight portions
Sodium, the sodium carboxymethyl cellulose (glutinous in grade oil) of 4.5 6.5 weight portions are mixed.
Preferably, described capsule matter agent is by the amylopectin of 3.4 4.6 weight portions, the hydroxide of 0.98 1.02 weight portions
Sodium, the sodium carboxymethyl cellulose (glutinous in grade oil) of 56 weight portions are mixed.
Preferably, described capsule matter agent is by the amylopectin of 4 weight portions, the sodium hydroxide of 1 weight portion, 5.5 weight portions
Sodium carboxymethyl cellulose (glutinous in grade oil) is mixed.
Use the coal bed gas floss capsule drilling fluid that above-mentioned capsule matter agent is made, including water and 2.2 3.6 weight of 100 weight portions
The capsule matter agent of part.
Preferably, the pH value of described coal bed gas floss capsule drilling fluid is 8～10, and the apparent viscosity of coal bed gas floss capsule drilling fluid is
20～40mPa s.
The coal bed gas floss capsule drilling fluid of the present invention capsule matter agent and coal bed gas floss capsule drilling fluid, use the technique that the present invention is exclusive
And component, its capsule matter agent is by the amylopectin of 35 weight portions, the sodium hydroxide of 0.95 1.05 weight portions, 47 weights
The sodium carboxymethyl cellulose (glutinous in grade oil) of amount part is mixed, and its coal bed gas floss capsule drilling fluid includes 100 weight portions
Water and the capsule matter agent of 2.2 3.6 weight portions.Experiment shows, utilizes the capsule matter agent of the present invention, can strengthen floss capsule intensity,
Extend the floss capsule life-span, the floss capsule structure in stabilising system, make the film of floss capsule thicker with layer thickness, intensity is higher, and can have
Effect stops gas effusion in gas gallbladder.Therefore, the capsule matter agent of the present invention has prominent substantive distinguishing features and significantly progress.
Detailed description of the invention
Below by specific embodiment further describe the present invention specific operation process, but the present invention the most therefore and
Any way limited.
The capsule matter agent of the present invention, by the amylopectin of 35 weight portions, the sodium hydroxide of 0.95 1.05 weight portions, 4
The sodium carboxymethyl cellulose (glutinous in grade oil) of 7 weight portions is mixed.
As a further improvement on the present invention, above-mentioned capsule matter agent by the amylopectin of 3.2 4.8 weight portions, 0.96 1.04
The sodium hydroxide of weight portion, the sodium carboxymethyl cellulose (glutinous in grade oil) of 4.5 6.5 weight portions are mixed.
As a further improvement on the present invention, above-mentioned capsule matter agent by the amylopectin of 3.4 4.6 weight portions, 0.98 1.02
The sodium hydroxide of weight portion, the sodium carboxymethyl cellulose (glutinous in grade oil) of 56 weight portions are mixed.
As a further improvement on the present invention, above-mentioned capsule matter agent is by the amylopectin of 4 weight portions, the hydroxide of 1 weight portion
Sodium, the sodium carboxymethyl cellulose (glutinous in grade oil) of 5.5 weight portions are mixed.
Use the coal bed gas floss capsule drilling fluid that above-mentioned capsule matter agent is made, including water and 2.2 3.6 weight of 100 weight portions
Part capsule matter agent, this capsule matter agent by the amylopectin of 35 weight portions, the sodium hydroxide of 0.95 1.05 weight portions, 4
The sodium carboxymethyl cellulose (glutinous in grade oil) of 7 weight portions is mixed.
The pH value of above-mentioned coal bed gas floss capsule drilling fluid is 8～10, the apparent viscosity of coal bed gas floss capsule drilling fluid be 20～
40mPa·s。
The composition being used for outside the gas gallbladder of floss capsule structure being formed the film layer of parcel gas gallbladder is referred to as capsule matter agent by the present invention.This
Bright coal bed gas floss capsule drilling fluid capsule matter agent and coal bed gas floss capsule drilling fluid provide a kind of floss capsule drilling fluid capsule matter agent, with
Form the film layer of parcel gas gallbladder outside floss capsule gas gallbladder, preliminarily form floss capsule structure, prevent gas effusion in gas gallbladder, keep gas gallbladder
Stable, improve floss capsule intensity.
The floss capsule drilling fluid capsule matter agent of the present invention, being configured to the pH value after 1wt% aqueous solution is 8～10, apparent viscosity
20～40mPa s, add capsule matter in base fluid (solution that in floss capsule drilling fluid, other components in addition to capsule matter agent are formed)
After agent, half-life increase >=120min.
The floss capsule drilling fluid capsule matter agent of the present invention is specialized designs for floss capsule drilling fluid system feature, is mainly used at floss
Form the film layer of parcel gas gallbladder outside capsule gas gallbladder, preliminarily form floss capsule structure.This capsule matter agent of the present invention is with of the prior art
Capsule matter agent or other inorganic agent with similar effect are compared, and can not only be effectively increased floss capsule matter thickness, additionally it is possible to effectively
Reducing gas gallbladder and surface tension continuously, the height simultaneously forming parcel gas gallbladder outside gas gallbladder sticks layer, it is possible to effectively prevent
Gas effusion in gas gallbladder, keeps gas gallbladder stable, improves floss capsule intensity.Further, this capsule matter agent of the present invention and general floss capsule
Drilling fluid inorganic agent compatibility is good, it is adaptable to conventional coal bed gas well drillng operation, is a kind of coal bed gas low temperature fresh water floss
Capsule drilling fluid capsule matter agent, and this capsule matter agent is nontoxic, harmless, can accept type inorganic agent for environment.
Present invention also offers described floss capsule drilling fluid capsule matter agent for preparing the application in floss capsule drilling fluid.Specifically,
By hectogram every in floss capsule drilling fluid water base in terms of, the consumption of described floss capsule drilling fluid capsule matter agent is 2.5～3.5 grams, can be formed
Stablize the film structure of floss capsule, there is the advantage that consumption is few, holding gas gallbladder stability action is strong.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, answering
Contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with described scope of the claims
It is as the criterion.
Claims (6)
1. capsule matter agent, is characterized in that: described capsule matter agent is by the amylopectin of 35 weight portions, 0.95 1.05 weight portions
Sodium hydroxide, the sodium carboxymethyl cellulose of 47 weight portions is mixed.
Capsule matter agent the most according to claim 1, is characterized in that: described capsule matter agent propping up by 3.2 4.8 weight portions
Chain starch, the sodium hydroxide of 0.96 1.04 weight portions, the sodium carboxymethyl cellulose of 4.5 6.5 weight portions are mixed.
Capsule matter agent the most according to claim 2, is characterized in that: described capsule matter agent propping up by 3.4 4.6 weight portions
Chain starch, the sodium hydroxide of 0.98 1.02 weight portions, the sodium carboxymethyl cellulose of 56 weight portions are mixed.
Capsule matter agent the most according to claim 3, is characterized in that: described capsule matter agent by the amylopectin of 4 weight portions,
The sodium hydroxide of 1 weight portion, the sodium carboxymethyl cellulose of 5.5 weight portions are mixed.
5. use the coal bed gas floss capsule drilling fluid that the capsule matter agent in any of the one of claim 1 to 4 is made, its feature
It is: include the water of 100 weight portions and the capsule matter agent of 2.2 3.6 weight portions.
Coal bed gas floss capsule drilling fluid the most according to claim 5, is characterized in that: described coal bed gas floss capsule drilling fluid
PH value is 8～10, and the apparent viscosity of coal bed gas floss capsule drilling fluid is 20～40mPa s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391380.5A CN106010487A (en) | 2016-06-03 | 2016-06-03 | Capsule cytoplosm agent for coal bed gas fuzzy-ball drilling fluid and coal bed gas fuzzy-ball drilling fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391380.5A CN106010487A (en) | 2016-06-03 | 2016-06-03 | Capsule cytoplosm agent for coal bed gas fuzzy-ball drilling fluid and coal bed gas fuzzy-ball drilling fluid |
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| Publication Number | Publication Date |
|---|---|
| CN106010487A true CN106010487A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610391380.5A Pending CN106010487A (en) | 2016-06-03 | 2016-06-03 | Capsule cytoplosm agent for coal bed gas fuzzy-ball drilling fluid and coal bed gas fuzzy-ball drilling fluid |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556987A (en) * | 2017-08-24 | 2018-01-09 | 北京力会澜博能源技术有限公司 | Coal bed gas suede capsule drilling fluid site operation compound method |
| CN107605425A (en) * | 2017-08-24 | 2018-01-19 | 北京力会澜博能源技术有限公司 | Stratum raising formation strength method is cohered in closure in coal bed gas suede capsule drilling fluid |
| CN108084987A (en) * | 2017-12-25 | 2018-05-29 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of natural gas well turnaround fracture microvesicle temporarily blocks up liquid filler and its application |
| CN108531154A (en) * | 2018-05-21 | 2018-09-14 | 李治 | Natural gas well workover suede bag pressure well liquid site operation preparation method |
| CN108533212A (en) * | 2018-05-21 | 2018-09-14 | 邓庭 | Isolation ground method is blocked in natural gas well well workover suede bag pressure well liquid |
| CN108559469A (en) * | 2018-05-21 | 2018-09-21 | 北京力会澜博能源技术有限公司封堵流体科技研发分公司 | A kind of natural gas well suede bag pressure well liquid is not depressured kill-job technique |
| CN108690586A (en) * | 2018-05-21 | 2018-10-23 | 北京力会澜博能源技术有限公司 | The capsule matter agent of natural gas well suede bag pressure well liquid |
Citations (4)
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| CN104109515A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature freshwater fuzzy-ball working fluid ball layer agent |
| CN104109512A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature fuzzy-ball working fluid fluff agent |
| CN104109511A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature fuzzy-ball working fluid nucleating agent |
| CN104109513A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature freshwater fuzzy-ball working fluid film forming agent |
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2016
- 2016-06-03 CN CN201610391380.5A patent/CN106010487A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104109515A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature freshwater fuzzy-ball working fluid ball layer agent |
| CN104109512A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature fuzzy-ball working fluid fluff agent |
| CN104109511A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature fuzzy-ball working fluid nucleating agent |
| CN104109513A (en) * | 2013-04-16 | 2014-10-22 | 北京力会澜博能源技术有限公司 | Low temperature freshwater fuzzy-ball working fluid film forming agent |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107556987A (en) * | 2017-08-24 | 2018-01-09 | 北京力会澜博能源技术有限公司 | Coal bed gas suede capsule drilling fluid site operation compound method |
| CN107605425A (en) * | 2017-08-24 | 2018-01-19 | 北京力会澜博能源技术有限公司 | Stratum raising formation strength method is cohered in closure in coal bed gas suede capsule drilling fluid |
| CN108084987A (en) * | 2017-12-25 | 2018-05-29 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | A kind of natural gas well turnaround fracture microvesicle temporarily blocks up liquid filler and its application |
| CN108531154A (en) * | 2018-05-21 | 2018-09-14 | 李治 | Natural gas well workover suede bag pressure well liquid site operation preparation method |
| CN108533212A (en) * | 2018-05-21 | 2018-09-14 | 邓庭 | Isolation ground method is blocked in natural gas well well workover suede bag pressure well liquid |
| CN108559469A (en) * | 2018-05-21 | 2018-09-21 | 北京力会澜博能源技术有限公司封堵流体科技研发分公司 | A kind of natural gas well suede bag pressure well liquid is not depressured kill-job technique |
| CN108690586A (en) * | 2018-05-21 | 2018-10-23 | 北京力会澜博能源技术有限公司 | The capsule matter agent of natural gas well suede bag pressure well liquid |
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Application publication date: 20161012 |
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