CN108329898A - A kind of oil drilling plugging operation liquid - Google Patents
A kind of oil drilling plugging operation liquid Download PDFInfo
- Publication number
- CN108329898A CN108329898A CN201810337698.4A CN201810337698A CN108329898A CN 108329898 A CN108329898 A CN 108329898A CN 201810337698 A CN201810337698 A CN 201810337698A CN 108329898 A CN108329898 A CN 108329898A
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- water
- operation liquid
- plugging operation
- agent
- emulsifier
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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
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Colloid Chemistry (AREA)
Abstract
The invention discloses a kind of oil drilling plugging operation liquid, are related to petroleum drilling technology field, are prepared by ratio of weight and the number of copies by solvent, suspension stabilizer, emulsifier, releasing agent, water-swellable sealing agent, retarder, and component and proportioning are as follows in parts by weight：Solvent：Suspension stabilizer：Emulsifier：Releasing agent, water-swellable sealing agent, retarder=30 ~ 50:0.6~1.2:3~4:2~3:100~150:0.5~1.Inventive formulation is simple, cost is relatively low, with controllable, the high aqueous energy of expansion rate and packet of gelling time.
Description
Technical field
The present invention relates to petroleum drilling technology field, rapid expanding solidifies and generates bullet after specifically relating to a kind of chance water
Property glue induration plugging operation liquid, particularly suitable for Sichuan province crack, solution cavity especially containing flowing water layer it is pernicious
Miss leak stopping problem.
Background technology
Serious mud leakage often occurs for Sichuan province crack, solution cavity development, the drilling well in these stratum, and some are leaked
Layer itself is again water-bearing layer, or is connected to adjacent water table, and underground water is very active, and the leakage occurred leaks speed, leakage
Amount is all very big.Leak stopping is carried out under the conditions of this circulating water, since conventional water base leak stopping slurries are easy the underground water institute flowed
Erosion, destruction tend not to get an expected result.Such as using cement mortar easily by underground water erosion, displacement and dilute, it is difficult to build
It erects and blocks partition wall, and lead to that drop ply top or bottom exist without cement plug or cement plug arranged at bottom and centre is without cement plug.
Publication No. CN101838525A, publication date are that the Chinese patent literature on the 22nd of September in 2010 discloses one kind firmly
Glue general lubricity packet water emulsion drilling fluid belongs to the low density drilling fluid formula technique field crept into using underbalance well.It is bored by accounting for
Well liquid total weight percent meter each component includes:Diesel oil:60-66%;Organoclay:3-4%;Drilling fluid emulsifies wetting agent with ebonite:
6-7%;The solid wall anti-sloughing agent of drilling fluid:8-9%;Oil base drilling fluid combustion-delaying agent:6-7%;Water:7.5-8%;Quick lime:
1.5-2%;Water-In-Oil drilling fluid stabilizer:2-3%.As use using above patent document as the bridge of representative slurry, DTR, DF-1,
The leakage-stop liquids such as PCC block, and also can reduce leak stopping concentration of slurry by underground water erosion, frequently result in leak stopping failure.Sichuan province Pu
Western 001-X1,2 wells of double spies encounter flowing water layer leakage, solidifying using bridge slurry, high dehydration sealing agent, barite sedimentation leak stopping, intelligence
The multiple leak stopping of glue+cement mortar is invalid, and final tripping in expansion tube insulates water layer.Meanwhile many formation fracture sizes are difficult to judge, are led
Cause to be difficult the size and dosage for determining pons hematoma material, it is often necessary to experiment is repeated several times, waste a large amount of plugging material and
Drilling mud, consumption money take.
Invention content
The present invention is directed to existing for the above-mentioned prior art defects and deficiency, provide a kind of outstanding for crack, solution cavity
It is the freezing by expansion plugging operation liquid of the water layer severe mud losses leak stopping containing flowing.Inventive formulation is simple, cost is relatively low, has glue
Controllable, the high aqueous energy of expansion rate and packet of solidifying time.
The present invention is realized by using following technical proposals：
A kind of oil drilling plugging operation liquid, it is characterised in that：It is swollen by solvent, suspension stabilizer, emulsifier, releasing agent, chance water
Swollen sealing agent, retarder are prepared by ratio of weight and the number of copies, and component and proportioning are as follows in parts by weight：Solvent：Suspension stabilizer：
Emulsifier：Releasing agent, water-swellable sealing agent, retarder=30 ~ 50:0.6~1.2:3~4:2~3:100~150:0.5~1.
The solvent is selected from the solvent of following one or more kinds of arbitrary proportion mixing：1）Acetone, 2）Diesel oil；3）In vain
Oil.
The suspension stabilizer is organoclay.
The emulsifier is selected from the emulsifier of following one or more kinds of arbitrary proportion mixing：1）Fatty acid amide；
2）Versamid；3）Neopelex.
The releasing agent is selected from the releasing agent of following one or more kinds of arbitrary proportion mixing：1）Organosilicon；2）It is poly-
Vinyl alcohol；3）Cellulose acetate.
The water-swellable sealing agent is selected from the sealing agent that following one or two kinds of arbitrary proportions mix：1）It is water-soluble
Property polyurethane；2）Oil soluble polyurethane.
The retarder is selected from following one or more kinds of arbitrary proportions and mixes：1）Citric acid；2）Tartaric acid；
3）Benzoic acid.
Compared with prior art, what the present invention was reached has the beneficial effect that：
1, it in the present invention, meets the solidification of water rapid expanding and administers severe mud losses plugging operation liquid by introducing diesel oil, emulsifier, demoulding
Agent solves during indoor or extemporaneous preparation that chamber wall is aqueous to cause sealing agent to meet water reaction, adherency wall, difficult cleaning in advance
Problem；
2, it in the present invention, meets the solidification of water rapid expanding and administers the gelling time of severe mud losses plugging operation liquid by water, temperature, pressure
Power influences, and water is the 100% ~ 300% of water-swellable sealing agent quality, is increased with rate of water added, gelling time delay；Applicable temperature
Ranging from 25 DEG C ~ 80 DEG C, as temperature increases, gelling time, pre-add bottom pressure is 0 ~ 10Mpa, with bottom pressure
Raising, gelling time extend；
3, it in the present invention, meets the solidification of water rapid expanding and administers the expansion rate of severe mud losses plugging operation liquid by temperature and pressure shadow
It rings, ranging from 25 DEG C ~ 80 DEG C of Applicable temperature, as temperature increases, expansion rate increases；Pre-add bottom pressure is 0 ~ 10Mpa, with
The raising of bottom pressure, expansion rate reduce, and after bottom pressure is more than 1Mpa, expansion rate is influenced no longer apparent by pressure；
4, it in the present invention, meets the solidification of water rapid expanding and administers severe mud losses plugging operation liquid for different well depth drop plies, pass through tune
Whole retarder dosage can flexibly regulation system gelling time, consolidation time be guaranteed with adapting to different pump time demands
Enough safe constructions, there is no plugging operation liquid to meet water reaction in advance, leads to the down-hole accident for " plant flag bar " occur；
5, in the present invention, meeting water rapid expanding solidification improvement severe mud losses plugging operation liquid has wider density accommodation,
For different pressures coefficient drop ply, leak stopping serum density can be adjusted by the way that heavy weight additive is added, to adapt to Different Strata pressure system
The leak stopping demand of number drop ply；
6, in the present invention, chance water rapid expanding solidification improvement severe mud losses plugging operation liquid packet outlet capacity is strong, energy and different volumes
The water flooding or water-base mud of ratio are mixed together the whole consolidation of realization, it is ensured that leakage-stop liquid enters after drop ply that there is no by water or water base
Drilling fluid dilutes, and solves flowing water layer leak stopping problem, improves plugging effect.
7, in conclusion with using Publication No. CN101838525A patent documents compared with the prior art of representative, this hair
It is bright to be different from traditional physics and chemical plugging material or working solution, there is rapid dispersion, emulsification, friendship in water after itself meeting water
Connection, foaming, expansion, while CO can be discharged in foaming process2Gas, can be by the leak stopping slurries by the nearly well of pit shaft by gas pressure
Band is pressed further into and fills the hole of fissured structure, is not influenced by fracture pattern and size；When reaching gelling time, leak stopping
The structural viscosity of slurries gradually increases and volume expansion, there is very high viscosity resistance between leakage channel wall surface, final to cure
The gluey induration of elasticity is formed, to play the effect of expansion and elastic waterstop；Extemporaneous preparation is simple and convenient, does not glue canister
Wall surface can realize pumping using the mating slush pump of drilling machine, be not necessarily to additional equipment.
Relative to CN101838525A patent documents, difference lies in diesel oil, emulsifier, releasing agent these three groups by the application
It is divided into a kind of leak stopping slurry base fluid component, can solves during indoor or extemporaneous preparation that chamber wall is aqueous to be caused to block up after triplicity
The problem of water reaction, adherency wall, difficult cleaning is met in leakage agent in advance, and diesel oil and emulsifier are in patent document CN101838525A
A kind of main inorganic agent of oil base drilling fluid system, there is no meet water reaction in advance and lead in process for preparation for this oil base drilling fluid
Cause the problem of oil base drilling fluid adherency wall.
Description of the drawings
Below in conjunction with specification drawings and specific embodiments, the present invention is described in further detail, wherein：
Fig. 1 is present invention gelling time under different temperatures pressure condition；
Fig. 2 is the present invention in different temperatures pressure condition expansion rate.
Specific implementation mode
Embodiment 1
As the preferred forms of the present invention, solvent, emulsifier, releasing agent, water-swellable sealing agent, delays suspension stabilizer
Solidifying agent is prepared by ratio of weight and the number of copies, and component and proportioning are as follows in parts by weight：
Solvent：Suspension stabilizer：Emulsifier：Releasing agent, water-swellable sealing agent, retarder=50:1.0:3:2:120:1.0.
The solvent is selected from the solvent of following one or more kinds of arbitrary proportion mixing：1）Acetone, 2）Diesel oil；3）In vain
Oil.
The suspension stabilizer is organoclay.
The emulsifier is selected from the emulsifier of following one or more kinds of arbitrary proportion mixing：1）Fatty acid amide；
2）Versamid；3）Neopelex.
The releasing agent is selected from the releasing agent of following one or more kinds of arbitrary proportion mixing：1）Organosilicon；2）It is poly-
Vinyl alcohol；3）Cellulose acetate.
The water-swellable sealing agent is selected from the sealing agent that following one or two kinds of arbitrary proportions mix：1）It is water-soluble
Property polyurethane；2）Oil soluble polyurethane.
The retarder is selected from following one or more kinds of arbitrary proportions and mixes：1）Citric acid；2）Tartaric acid；
2）Benzoic acid.
Under normal temperature and pressure conditions, which presses 1 with water:After the mixing of 1 volume ratio, gelling time is
120min, cubical expansivity 360%；Packet water is 3 times of own vols.
Embodiment 2
As another better embodiment of the present invention, solvent, suspension stabilizer, emulsifier, releasing agent, water-swellable leak stopping
Agent, retarder are prepared by ratio of weight and the number of copies, and component and proportioning are as follows in parts by weight：
Solvent：Suspension stabilizer：Emulsifier：Releasing agent, water-swellable sealing agent, retarder=30:0.8:3:2:100:0.8.
The solvent is selected from the solvent of following one or more kinds of arbitrary proportion mixing：1）Acetone, 2）Diesel oil；3）In vain
Oil.
The suspension stabilizer is organoclay.
The emulsifier is selected from the emulsifier of following one or more kinds of arbitrary proportion mixing：1）Fatty acid amide；
2）Versamid；3）Neopelex.
The releasing agent is selected from the releasing agent of following one or more kinds of arbitrary proportion mixing：1）Organosilicon；2）It is poly-
Vinyl alcohol；3）Cellulose acetate.
The water-swellable sealing agent is selected from the sealing agent that following one or two kinds of arbitrary proportions mix：1）It is water-soluble
Property polyurethane；2）Oil soluble polyurethane.
The retarder is selected from following one or more kinds of arbitrary proportions and mixes：1）Citric acid；2）Tartaric acid；
2）Benzoic acid.
Under normal temperature and pressure conditions, which presses 1 with water:After the mixing of 1 volume ratio, gelling time is
105min, cubical expansivity 300%；Packet water is 2.5 times of own vols.
Embodiment 3
As another better embodiment of the present invention, solvent, suspension stabilizer, emulsifier, releasing agent, water-swellable leak stopping
Agent, retarder are prepared by ratio of weight and the number of copies, and component and proportioning are as follows in parts by weight：
Solvent：Suspension stabilizer：Emulsifier：Releasing agent, water-swellable sealing agent, retarder=45:0.9:3:2:110:0.9.
The solvent is selected from the solvent of following one or more kinds of arbitrary proportion mixing：1）Acetone, 2）Diesel oil；3）In vain
Oil.
The suspension stabilizer is organoclay.
The emulsifier is selected from the emulsifier of following one or more kinds of arbitrary proportion mixing：1）Fatty acid amide；
2）Versamid；3）Neopelex.
The releasing agent is selected from the releasing agent of following one or more kinds of arbitrary proportion mixing：1）Organosilicon；2）It is poly-
Vinyl alcohol；3）Cellulose acetate.
The water-swellable sealing agent is selected from the sealing agent that following one or two kinds of arbitrary proportions mix：1）It is water-soluble
Property polyurethane；2）Oil soluble polyurethane.
The retarder is selected from following one or more kinds of arbitrary proportions and mixes：1）Citric acid；2）Tartaric acid；
2）Benzoic acid.
Under normal temperature and pressure conditions, which presses 1 with water:After the mixing of 1 volume ratio, gelling time is
110min, cubical expansivity 320%；Packet water is 2.5 times of own vols.
Table 1 is the present invention to different fluid packet liquid measure table.
Table 1
Table 2 is that the present invention meets water plugging effect table.
Table 2.
Claims (7)
1. a kind of oil drilling plugging operation liquid, it is characterised in that：By solvent, suspension stabilizer, emulsifier, releasing agent, meet water
Expansion sealing agent, retarder are prepared by ratio of weight and the number of copies, and component and proportioning are as follows in parts by weight：Solvent：It is suspending stabilized
Agent：Emulsifier：Releasing agent, water-swellable sealing agent, retarder=30 ~ 50:0.6~1.2:3~4:2~3:100~150:0.5~1.
2. a kind of oil drilling plugging operation liquid according to claim 1, it is characterised in that：The solvent is selected from following
The solvent of one or more kinds of arbitrary proportion mixing：1）Acetone, 2）Diesel oil；3）White oil.
3. a kind of oil drilling plugging operation liquid according to claim 1, it is characterised in that：The suspension stabilizer is
Organoclay.
4. a kind of oil drilling plugging operation liquid according to claim 1, it is characterised in that：The emulsifier be selected from
The emulsifier of lower one or more arbitrary proportion mixing：1）Fatty acid amide；2）Versamid；3）Detergent alkylate
Sodium sulfonate.
5. a kind of oil drilling plugging operation liquid according to claim 1, it is characterised in that：The releasing agent be selected from
The releasing agent of lower one or more arbitrary proportion mixing：1）Organosilicon；2）Polyvinyl alcohol；3）Cellulose acetate.
6. a kind of oil drilling plugging operation liquid according to claim 1, it is characterised in that：The water-swellable leak stopping
Agent is selected from the sealing agent that following one or two kinds of arbitrary proportions mix：1）Soluble polyurethane；2）Oil soluble polyurethane.
7. a kind of oil drilling plugging operation liquid according to claim 1, it is characterised in that：The retarder be selected from
Lower one or more arbitrary proportion mixes：1）Citric acid；2）Tartaric acid；3）Benzoic acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337698.4A CN108329898A (en) | 2018-04-16 | 2018-04-16 | A kind of oil drilling plugging operation liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337698.4A CN108329898A (en) | 2018-04-16 | 2018-04-16 | A kind of oil drilling plugging operation liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108329898A true CN108329898A (en) | 2018-07-27 |
Family
ID=62933244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810337698.4A Pending CN108329898A (en) | 2018-04-16 | 2018-04-16 | A kind of oil drilling plugging operation liquid |
Country Status (1)
| Country | Link |
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| CN (1) | CN108329898A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499792A (en) * | 2020-03-27 | 2020-08-07 | 中国石油天然气集团有限公司 | Amphiphobic nanoscale plugging agent for oil-based drilling fluid and preparation method and application thereof |
| CN112940696A (en) * | 2021-02-03 | 2021-06-11 | 天津大学 | Modified cyanogen coagulation plugging agent for high-temperature oil reservoir plugging and preparation method and application thereof |
| CN117568001A (en) * | 2024-01-17 | 2024-02-20 | 中国石油集团川庆钻探工程有限公司 | Plugging working fluid and preparation method thereof |
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| WO2015072317A1 (en) * | 2013-11-15 | 2015-05-21 | 株式会社クレハ | Temporary sealing agent for use in well boring |
| CN105368409A (en) * | 2015-11-24 | 2016-03-02 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Composite type leakage plugging agent for oil-based drilling fluid and preparation method thereof |
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2018
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| WO2015072317A1 (en) * | 2013-11-15 | 2015-05-21 | 株式会社クレハ | Temporary sealing agent for use in well boring |
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| CN106281265A (en) * | 2016-07-20 | 2017-01-04 | 中石化石油工程技术服务有限公司 | A kind of extremely-low density sealing agent being applicable to low pressure and leakmess formation and preparation method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111499792A (en) * | 2020-03-27 | 2020-08-07 | 中国石油天然气集团有限公司 | Amphiphobic nanoscale plugging agent for oil-based drilling fluid and preparation method and application thereof |
| CN111499792B (en) * | 2020-03-27 | 2021-09-28 | 中国石油天然气集团有限公司 | Amphiphobic nanoscale plugging agent for oil-based drilling fluid and preparation method and application thereof |
| CN112940696A (en) * | 2021-02-03 | 2021-06-11 | 天津大学 | Modified cyanogen coagulation plugging agent for high-temperature oil reservoir plugging and preparation method and application thereof |
| CN117568001A (en) * | 2024-01-17 | 2024-02-20 | 中国石油集团川庆钻探工程有限公司 | Plugging working fluid and preparation method thereof |
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Application publication date: 20180727 |
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