CN101638576A - Shielding and temporary plugging gelling agent for drilling fluid and production method and use method thereof - Google Patents
Shielding and temporary plugging gelling agent for drilling fluid and production method and use method thereof Download PDFInfo
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- CN101638576A CN101638576A CN200910113435A CN200910113435A CN101638576A CN 101638576 A CN101638576 A CN 101638576A CN 200910113435 A CN200910113435 A CN 200910113435A CN 200910113435 A CN200910113435 A CN 200910113435A CN 101638576 A CN101638576 A CN 101638576A
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- agent
- drilling fluid
- temporary plugging
- shield
- jelling
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- 238000005553 drilling Methods 0.000 title claims abstract description 82
- 239000012530 fluid Substances 0.000 title claims abstract description 65
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003349 gelling agent Substances 0.000 title abstract description 8
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 129
- 239000000843 powder Substances 0.000 claims abstract description 37
- 230000002308 calcification Effects 0.000 claims abstract description 24
- 239000004794 expanded polystyrene Substances 0.000 claims description 24
- 239000000835 fiber Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 9
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 6
- 239000002893 slag Substances 0.000 claims description 6
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 4
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical group [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- -1 amine salt Chemical class 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 239000003077 lignite Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract 2
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 23
- 239000008186 active pharmaceutical agent Substances 0.000 description 8
- 238000003556 assay Methods 0.000 description 8
- 239000003208 petroleum Substances 0.000 description 8
- 239000002002 slurry Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
Landscapes
- Sealing Material Composition (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The invention relates to a shielding and temporary plugging gelling agent for drilling fluid and a production method and a use method thereof. The shielding and temporary blocking gelling agent for the drilling fluid comprises the components as follows: forcible blocking powder, a fluid loss additive or a flow pattern improver, a plant gelling agent, a calcification agent and expanded plant shortfibers. The performance index of a product of the invention is higher than the physicochemical performance index of domestic existing like products, for example, the fineness screen residue weight isnot more than 10 percent, the water content is not more than 10 percent, a pH value is stable, and the shielding and temporary plugging gelling agent is more suitable for being added into the drillingfluid; the shielding and temporary plugging gelling agent has good compatibility with basic mud, low viscosity effect when being added into the basic mud, low apparent viscosity effect, no influenceon the performance of the drilling fluid, a certain water loss reduction function and strong plugging capability, and the filtration loss is not more than 10ml and is higher than a standard of domestic existing like products; and the plugging filtration loss is not more than 40ml within equal plugging time, and the plugging filtration loss of the domestic similar prior products is only not more than 80ml, indicating that the plugging capability and the capability for protecting productive layers of oil, gas, water and the like of the shielding and temporary plugging gelling agent for the drilling fluid are superior to the domestic existing like products.
Description
Technical field
The present invention relates to the leak-proof leak-stopping class that drilling fluid uses in the oil drilling production field, the technical field of reservoir protection type shielding temporary plugging gelling agent product, is a kind of drilling fluid shield-temporary plugging jelling agent and production method and using method.
Background technology
At present, the drilling well field is along with the continuous development and the raising of drilling technique level both at home and abroad, failed in the past the hi-tech difficulty that sets foot in, high risk deep-well, ultra deep well, orientation well, horizontal well is also corresponding is drilled to, but leakage is still a big technical barrier of restriction drilling quality and speed.Drilling strata has hole and crack in the wellbore construction process, and leakage will take place.The type of leakage by leak-off velocity can be divided into little leakage, little leakage, middle leakage, leak greatly, severe leakage, that leakage can occur in is shallow, in and in the deep layer, and the stratum of all kinds of lithology all may take place.In case miss, not only incur loss through delay rig time, loss drilling fluid, infringement hydrocarbon zone, disturb geological logging work, but also may cause a series of complexcase and accidents such as well slough, bit freezing, blowout, even cause well to be scrapped, cause great financial loss.Therefore, domestic and international drilling well field is all included leakage in the emphasis problem always and is studied, not only study from hole structure, drilling fluid leak-proof leak-stopping Technology, and aspect patching materials, dropped into big quantity research, and develop broad variety, multiple functional type patching materials, as expanded polystyrene veneer, bridge blinding type, gel-type, viscous deformation particle, inertia patching materials or the like.
Summary of the invention
The invention provides a kind of drilling fluid shield-temporary plugging jelling agent and production method and using method, it has overcome the deficiency of prior art, and its performance is better than existing like product, and its production and using method are simpler.
One of technical scheme of the present invention is achieved like this: a kind of drilling fluid shield-temporary plugging jelling agent, it consists of by raw material weight per-cent: 20% to the stifled powder of the last 40%, 10% to 15% fluid loss agent or flow pattern improving agent, 3% to 10% plant jelling agent, 0.5% to 5% calcification agent, the expanded polystyrene veneer short fiber of plant of surplus.
Be further optimization and selection below to one of technique scheme:
Above-mentioned fluid loss agent or flow pattern improving agent are one or more in double focusing amine salt, sulfonated lignite, potassium humate, the polymer filtrate reducer.
Above-mentioned strong stifled powder is power plant's slag or calcium carbonate superfine powder.
Above-mentioned calcification agent is calcium oxide or calcium hydroxide.
When sealing filter loss less than 40mL, it is 80 order to 350 orders that the expanded polystyrene veneer short fiber of plant is selected fineness, and it is 80 order to 350 orders that power plant's slag or calcium carbonate superfine powder are selected fineness.
Two of technical scheme of the present invention is achieved like this:
A kind of above-mentioned drilling fluid production method of shield-temporary plugging jelling agent, it is undertaken by following step: at first expanded polystyrene veneer short fiber of plant and the strong stifled powder with aequum mixes, mix to the jelling agent that wherein adds aequum, again to fluid loss agent that wherein adds requirement or flow pattern improving agent, the calcification agent that adds requirement is at last puddled and is evenly obtained drilling fluid shield-temporary plugging jelling agent.
A kind of above-mentioned drilling fluid production method of shield-temporary plugging jelling agent, it is undertaken by following step: at first jelling agent and the calcification agent with aequum mixes, adjust pH value to 9, mix to expanded polystyrene veneer short fiber of plant that wherein adds aequum and strong stifled powder, to fluid loss agent that wherein adds requirement or flow pattern improving agent, puddle and evenly obtain drilling fluid shield-temporary plugging jelling agent again.
A kind of above-mentioned drilling fluid production method of shield-temporary plugging jelling agent, it is undertaken by following step: at first with the expanded polystyrene veneer short fiber of plant of requirement, stifled powder, jelling agent, calcification agent and fluid loss agent mix by force, obtain drilling fluid shield-temporary plugging jelling agent.
Three of technical scheme of the present invention is achieved like this: above-mentioned drilling fluid is undertaken by following step with the using method of shield-temporary plugging jelling agent: in drilling process, by adding 20 kilograms to 50 kilograms drilling fluid shield-temporary plugging jelling agents in per 1000 kilograms of drilling fluids.
Drilling fluid of the present invention is higher than the physical and chemical index of domestic existing like product with the performance index of shield-temporary plugging jelling agent, as: fineness screen over-size≤10%, water content≤10%, the pH value stabilization is more suitable for adding in drilling fluid; Good with base slurry compatibleness, it is low to join base slurry medium viscosity effect, and the apparent viscosity effect is low, does not influence property of drilling fluid, and has certain dehydration function of falling, and filter loss≤10ml is higher than the standard of domestic existing like product; Shut-off capacity is strong; at identical shutoff time inner sealing filter loss≤40ml; domestic existing like product sealing filter loss only≤80ml, illustrate drilling fluid of the present invention with the leak stopping ability of shield-temporary plugging jelling agent, protect payzone abilities such as oil, gas, water to be better than domestic existing like product.
Embodiment
The present invention is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical scheme and the practical situation of foregoing invention.
Below in conjunction with embodiment the present invention is done further argumentation:
Embodiment 1, and this drilling fluid consists of by weight percentage with the shield-temporary plugging jelling agent: 66.5% expanded polystyrene veneer short fiber of plant, and the last 20% blocked up powder, 10% fluid loss agent or flow pattern improving agent, 3% plant jelling agent, 0.5% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??8 |
| The pH value | ??8 |
| Fineness screen over-size (aperture 0.90mm) standard sieve % | ??6 |
| Apparent viscosity, mpas | ??6 |
| API filtration, ml | ??9 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??35 |
Embodiment 2, and this drilling fluid consists of by weight percentage with the shield-temporary plugging jelling agent: 55% expanded polystyrene veneer short fiber of plant, and the last 24% blocked up powder, 10% fluid loss agent or flow pattern improving agent, 10% plant jelling agent, 1% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??7 |
| The pH value | ??8.5 |
| Fineness screen over-size (aperture 0.75mm) standard sieve % | ??8 |
| Apparent viscosity, mpas | ??7 |
| API filtration, ml | ??8 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??37 |
Embodiment 3, and this drilling fluid consists of 50% expanded polystyrene veneer short fiber of plant by weight percentage with the shield-temporary plugging jelling agent, and the last 28% blocked up powder, 11% fluid loss agent or flow pattern improving agent, 9% plant jelling agent, 2% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??9 |
| The pH value | ??8 |
| Fineness screen over-size (aperture 0.6mm) standard sieve % | ??8 |
| Apparent viscosity, mpas | ??7.8 |
| API filtration, ml | ??8.5 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??36 |
Embodiment 4, and this drilling fluid consists of 45% expanded polystyrene veneer short fiber of plant by weight percentage with the shield-temporary plugging jelling agent, and the last 32% blocked up powder, 12% fluid loss agent or flow pattern improving agent, 8% plant jelling agent, 3% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??8 |
| The pH value | ??8.5 |
| Fineness screen over-size (aperture 0.55mm) standard sieve % | ??6 |
| Apparent viscosity, mpas | ??8 |
| API filtration, ml | ??7 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??38 |
Embodiment 5, and this drilling fluid consists of 40% expanded polystyrene veneer short fiber of plant by weight percentage with the shield-temporary plugging jelling agent, and the last 36% blocked up powder, 13% fluid loss agent or flow pattern improving agent, 7% plant jelling agent, 4% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??8 |
| The pH value | ??8.5 |
| Fineness screen over-size (aperture 0.45mm) standard sieve % | ??6 |
| Apparent viscosity, mpas | ??7 |
| API filtration, ml | ??8 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??32 |
Embodiment 6, and this drilling fluid consists of 35% expanded polystyrene veneer short fiber of plant by weight percentage with the shield-temporary plugging jelling agent, and the last 40% blocked up powder, 14% fluid loss agent or flow pattern improving agent, 6% plant jelling agent, 5% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??9 |
| The pH value | ??9 |
| Fineness screen over-size (aperture 0.45mm) standard sieve % | ??8 |
| Apparent viscosity, mpas | ??7 |
| API filtration, ml | ??8 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??33 |
Embodiment 7, and this drilling fluid consists of 30% expanded polystyrene veneer short fiber of plant by weight percentage with the shield-temporary plugging jelling agent, and the last 40% blocked up powder, 15% fluid loss agent or flow pattern improving agent, 10% plant jelling agent, 5% calcification agent; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??8 |
| The pH value | ??9 |
| Fineness screen over-size (aperture 0.45mm) standard sieve % | ??8 |
| Apparent viscosity, mpas | ??7 |
| API filtration, ml | ??7 |
| The shutoff time, s | ??20 |
| The sealing filter loss, ml | ??32 |
Embodiment 8, should consist of by raw material weight per-cent: 20% to the stifled powder of the last 40%, 10% to 15% fluid loss agent or flow pattern improving agent, 3% to 10% plant jelling agent, 0.5% to 5% calcification agent, the expanded polystyrene veneer short fiber of plant of surplus; Through Xinjiang Uygur Autonomous Regions's assistant for drilling petroleum well product quality supervision measuring station assay such as following table:
| Project | Index |
| Outward appearance | Greyish white free flowing powder |
| Moisture, % | ??≤10 |
| The pH value | ??7-9 |
| Fineness screen over-size (aperture 0.45mm) standard sieve % | ??≤10 |
| Apparent viscosity, mpas | ??7-10 |
| API filtration, ml | ??12-15 |
| The shutoff time, s | ??≤20 |
| The sealing filter loss, ml | ??≤40 |
In the above-described embodiments:
Fluid loss agent or flow pattern improving agent are one or more in double focusing amine salt, sulfonated lignite, potassium humate, the polymer filtrate reducer.
Strong stifled powder is power plant's slag or calcium carbonate superfine powder.
The calcification agent is calcium oxide or calcium hydroxide.
When sealing filter loss less than 40mL, it is 80 order to 350 orders that the expanded polystyrene veneer short fiber of plant is selected fineness, and it is 80 order to 350 orders that power plant's slag or calcium carbonate superfine powder are selected fineness.Wherein, the expanded polystyrene veneer short fiber of plant preferably adopts cotton fibre.
The foregoing description drilling fluid can obtain by following production method with the shield-temporary plugging jelling agent:
One of production method: at first expanded polystyrene veneer short fiber of plant and the strong stifled powder with aequum mixes, mix to the jelling agent that wherein adds aequum, again to the fluid loss agent that wherein adds requirement, the calcification agent that adds requirement is at last puddled and is evenly obtained drilling fluid shield-temporary plugging jelling agent.
Two of production method: at first jelling agent and the calcification agent with aequum mixes, adjust pH value to 9, mix to expanded polystyrene veneer short fiber of plant that wherein adds aequum and strong stifled powder, to the fluid loss agent that wherein adds requirement, puddle and evenly obtain drilling fluid shield-temporary plugging jelling agent again.
Three of production method: at first with the expanded polystyrene veneer short fiber of plant of requirement, stifled powder, jelling agent, calcification agent and fluid loss agent mix by force, obtain drilling fluid shield-temporary plugging jelling agent.
The foregoing description drilling fluid is undertaken by following step with the using method of shield-temporary plugging jelling agent: in drilling process, by adding 20 kilograms to 50 kilograms drilling fluid shield-temporary plugging jelling agents in per 1000 kilograms of drilling fluids.
Drilling fluid of the present invention shield-temporary plugging jelling agent and domestic existing like product comparative analysis result such as table 1 and table 2.
Table 1 physical and chemical index
Table 2 property of drilling fluid index
In the present invention: % is a mass percent.
In the present invention: domestic existing like product is meant that company standard is the product of Q/TMH 02-2005.
Draw by last table 1, table 2 contrast:
1, drilling fluid of the present invention is higher than the physical and chemical index of domestic existing like product with the physical and chemical index of shield-temporary plugging jelling agent, fineness screen over-size≤10%, water content≤10%, and the pH value stabilization is more suitable for adding in drilling fluid.
2, drilling fluid of the present invention is higher than the property of drilling fluid index of domestic existing like product with shield-temporary plugging jelling agent performance index, good with base slurry compatibleness, it is low to join base slurry medium viscosity effect, the apparent viscosity effect is low, do not influence property of drilling fluid, and having certain dehydration function of falling, filter loss≤10ml is higher than the standard of domestic existing like product.
3, drilling fluid of the present invention is higher than the property of drilling fluid index of domestic existing like product with shield-temporary plugging jelling agent performance index; shut-off capacity is strong; at identical shutoff time inner sealing filter loss≤40ml; domestic existing like product sealing filter loss only≤80ml; the leak stopping ability of drilling fluid of the present invention with the shield-temporary plugging jelling agent is described, payzone abilities such as protection oil, gas, water are better than domestic existing like product.
Claims (10)
1, a kind of drilling fluid shield-temporary plugging jelling agent, it is characterized in that consisting of by raw material weight per-cent: 20% to the stifled powder of the last 40%, 10% to 15% fluid loss agent or flow pattern improving agent, 3% to 10% plant jelling agent, 0.5% to 5% calcification agent, the expanded polystyrene veneer short fiber of plant of surplus.
2, drilling fluid according to claim 1 shield-temporary plugging jelling agent is characterized in that fluid loss agent or flow pattern improving agent are one or more in double focusing amine salt, sulfonated lignite, potassium humate, the polymer filtrate reducer.
3, drilling fluid according to claim 1 and 2 shield-temporary plugging jelling agent is characterized in that stifled by force powder is power plant's slag or calcium carbonate superfine powder.
4, drilling fluid according to claim 1 and 2 shield-temporary plugging jelling agent is characterized in that the calcification agent is calcium oxide or calcium hydroxide.
5, drilling fluid according to claim 3 shield-temporary plugging jelling agent is characterized in that the calcification agent is calcium oxide or calcium hydroxide.
6, drilling fluid according to claim 5 shield-temporary plugging jelling agent, the sealing filter loss that it is characterized in that drilling fluid usefulness shield-temporary plugging jelling agent is less than 40mL, it is 80 order to 350 orders that the expanded polystyrene veneer short fiber of plant is selected fineness, and it is 80 order to 350 orders that power plant's slag or calcium carbonate superfine powder are selected fineness.
7, a kind of drilling fluid according to claim 6 production method of shield-temporary plugging jelling agent, it is characterized in that being undertaken by following step: at first expanded polystyrene veneer short fiber of plant and the strong stifled powder with aequum mixes, mix to the jelling agent that wherein adds aequum, again to fluid loss agent that wherein adds requirement or flow pattern improving agent, the calcification agent that adds requirement is at last puddled and is evenly obtained drilling fluid shield-temporary plugging jelling agent.
8, a kind of drilling fluid according to claim 6 production method of shield-temporary plugging jelling agent, it is characterized in that being undertaken by following step: at first jelling agent and the calcification agent with aequum mixes, adjust pH value to 9, mix to expanded polystyrene veneer short fiber of plant that wherein adds aequum and strong stifled powder, to fluid loss agent that wherein adds requirement or flow pattern improving agent, puddle and evenly obtain drilling fluid shield-temporary plugging jelling agent again.
9, a kind of drilling fluid according to claim 6 production method of shield-temporary plugging jelling agent, it is characterized in that being undertaken by following step: at first with the expanded polystyrene veneer short fiber of plant of requirement, stifled powder, jelling agent, calcification agent and fluid loss agent mix by force, obtain drilling fluid shield-temporary plugging jelling agent.
10, a kind of drilling fluid according to claim 6 using method of shield-temporary plugging jelling agent, it is characterized in that being undertaken: in drilling process, by adding 20 kilograms to 50 kilograms drilling fluid shield-temporary plugging jelling agents in per 1000 kilograms of drilling fluids by following step.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101134356A CN101638576B (en) | 2009-08-25 | 2009-08-25 | Shielding and temporary plugging gelling agent for drilling fluid and production method and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101134356A CN101638576B (en) | 2009-08-25 | 2009-08-25 | Shielding and temporary plugging gelling agent for drilling fluid and production method and use method thereof |
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| CN101638576A true CN101638576A (en) | 2010-02-03 |
| CN101638576B CN101638576B (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101134356A Active CN101638576B (en) | 2009-08-25 | 2009-08-25 | Shielding and temporary plugging gelling agent for drilling fluid and production method and use method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191025A (en) * | 2011-04-11 | 2011-09-21 | 大庆石油管理局 | Broad-spectrum deformable while-drilling leak-proof sealing agent |
| CN103113863A (en) * | 2013-02-09 | 2013-05-22 | 大庆合正化工有限公司 | Impervious blocking agent |
| CN103773334A (en) * | 2013-12-31 | 2014-05-07 | 东营泰尔石油技术有限公司 | Leaking stoppage reinforcing agent |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1175615A (en) * | 1997-07-25 | 1998-03-11 | 辽河石油勘探局钻井二公司 | Process for preparing leak-proof caving-preventing drilling fluid |
| CN1171969C (en) * | 2002-01-14 | 2004-10-20 | 中国石油化工股份有限公司 | Temporary leakage-stopping agent for well drilling shielding and its application |
| CN1276052C (en) * | 2004-06-09 | 2006-09-20 | 东营市维科特石油科技有限责任公司 | Lost circulation additives and drilling fluid in serious thief zone |
-
2009
- 2009-08-25 CN CN2009101134356A patent/CN101638576B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191025A (en) * | 2011-04-11 | 2011-09-21 | 大庆石油管理局 | Broad-spectrum deformable while-drilling leak-proof sealing agent |
| CN103113863A (en) * | 2013-02-09 | 2013-05-22 | 大庆合正化工有限公司 | Impervious blocking agent |
| CN103773334A (en) * | 2013-12-31 | 2014-05-07 | 东营泰尔石油技术有限公司 | Leaking stoppage reinforcing agent |
| CN103773334B (en) * | 2013-12-31 | 2016-04-20 | 东营泰尔石油技术有限公司 | Leak stopping toughener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101638576B (en) | 2012-04-25 |
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Effective date of registration: 20220711 Address after: Room 214, Youlian building incubation base, No. 31 Junggar Road, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region, 834000 Patentee after: KARAMAY AOZE INDUSTRY AND TRADE CO.,LTD. Address before: 834009 the Xinjiang Uygur Autonomous Region Karamay City Baijiantan District Furong garden 42 No. 25 Patentee before: Xie Jun |