CN106893568A - Molten complex material sealing agent of part theobromine and preparation method thereof and application method - Google Patents
Molten complex material sealing agent of part theobromine and preparation method thereof and application method Download PDFInfo
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- CN106893568A CN106893568A CN201710079231.XA CN201710079231A CN106893568A CN 106893568 A CN106893568 A CN 106893568A CN 201710079231 A CN201710079231 A CN 201710079231A CN 106893568 A CN106893568 A CN 106893568A
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- sealing agent
- theobromine
- rigid material
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- YAPQBXQYLJRXSA-UHFFFAOYSA-N theobromine Chemical compound CN1C(=O)NC(=O)C2=C1N=CN2C YAPQBXQYLJRXSA-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 238000007789 sealing Methods 0.000 title claims abstract description 107
- 229960004559 theobromine Drugs 0.000 title claims abstract description 76
- 239000011365 complex material Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 7
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 115
- 239000000463 material Substances 0.000 claims abstract description 103
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 28
- 239000011707 mineral Substances 0.000 claims abstract description 28
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 19
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 19
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 230000008569 process Effects 0.000 claims abstract description 13
- 239000000835 fiber Substances 0.000 claims description 22
- 239000004094 surface-active agent Substances 0.000 claims description 22
- 238000005553 drilling Methods 0.000 claims description 21
- 239000002002 slurry Substances 0.000 claims description 12
- 229910021532 Calcite Inorganic materials 0.000 claims description 9
- 239000002563 ionic surfactant Substances 0.000 claims description 7
- 235000007164 Oryza sativa Nutrition 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 6
- 239000010903 husk Substances 0.000 claims description 6
- 235000009566 rice Nutrition 0.000 claims description 6
- 229910052895 riebeckite Inorganic materials 0.000 claims description 6
- 239000010902 straw Substances 0.000 claims description 6
- 239000010455 vermiculite Substances 0.000 claims description 4
- 229910052902 vermiculite Inorganic materials 0.000 claims description 4
- 235000019354 vermiculite Nutrition 0.000 claims description 4
- 239000004575 stone Substances 0.000 claims description 3
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 2
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 2
- 239000004571 lime Substances 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 230000003213 activating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 13
- 238000005457 optimization Methods 0.000 description 7
- 241000209094 Oryza Species 0.000 description 5
- 239000010445 mica Substances 0.000 description 5
- 229910052618 mica group Inorganic materials 0.000 description 5
- 235000019738 Limestone Nutrition 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000006028 limestone Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 230000009918 complex formation Effects 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241001412225 Firmiana simplex Species 0.000 description 1
- 240000007049 Juglans regia Species 0.000 description 1
- 235000009496 Juglans regia Nutrition 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 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
- 230000006698 induction Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 235000020234 walnut Nutrition 0.000 description 1
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
- C09K8/42—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells
- C09K8/46—Compositions for cementing, e.g. for cementing casings into boreholes; Compositions for plugging, e.g. for killing wells containing inorganic binders, e.g. Portland cement
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- C09K2208/00—Aspects relating to compositions of drilling or well treatment fluids
- C09K2208/08—Fiber-containing well treatment fluids
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- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Sealing Material Composition (AREA)
Abstract
It is molten complex material sealing agent of a kind of part theobromine and preparation method thereof and application method the present invention relates to sealing agent technical field, the molten complex material sealing agent of the part theobromine, raw material includes mineral fibres, string, synthetic fibers and rigid material.The leak stopping performance of theobromine molten rigid material sealing agent in part of the present invention is better than domestic common commercially available sealing agent, and the leak stopping performance with external sealing agent is suitable, because the raw material sources of the molten rigid material sealing agent of part theobromine of the present invention are extensive, low in raw material price, make the production cost of the production cost less than external sealing agent of the molten rigid material sealing agent of part theobromine of the present invention, make the cost performance of the molten rigid material sealing agent of part theobromine of the present invention better than external sealing agent, technical support is provided to improve leakage complex process efficiency.
Description
Technical field
The present invention relates to sealing agent technical field, be molten complex material sealing agent of a kind of part theobromine and preparation method thereof and
Application method.
Background technology
During Underwell leakage is Oil/gas Well operation process, working fluid such as drilling fluid, cement mortar, workover fluid etc. enter in pit shaft
Underground high permeability zone, hole stratum, natural or induction formation fracture phenomenon.The harm of Underwell leakage:Head of liquid reduction is made
Into blowout;Cause underground bit freezing;Aggravation reservoir damage, influences cementing quality;Extension drilling period, increases cost, severe patient oil
Well is scrapped.As a example by 2003, the whole world is costly up to 800,000,000 dollars for drilling well leak-proof leak-stopping, does not include also being leaked for treatment
Other down-hole accident expenses that mistake causes.As domestic outer portion old area oil gas field tends to exhaustion, drilling well leakage complicated phenomenon will
Can increasingly protrude.
Either in land or marine drilling operating environment, Underwell leakage is all the time common with oil drilling
Problem, especially for the hole condition that leakage is complicated.At present, commonly use sealing agent and solve the problems, such as Underwell leakage, current leak stopping
Agent species is many, according to the composition species point of sealing agent, can be divided into single dose and complexing agent, and when carrying out leak stopping using single dose, it is blocked up
Leakage effect is poor, and the leak stopping performance of domestic compound sealing agent is not good, has much room for improvement.Particularly with the leakage that leakage is complicated
Lose, existing sealing agent is difficult to reach its leak stopping requirement, so as to constrain the raising of leakage complex process efficiency, this turns into restriction oil
One of major technology bottleneck of gas exploration development rate.And the plugging effect of the sealing agent of external import is preferably, but it is produced
Relatively costly, price occupies height, makes the reduction of its cost performance, causes to increase using the leak stopping cost of external sealing agent.
The content of the invention
The invention provides molten complex material sealing agent of a kind of part theobromine and preparation method thereof and application method, overcome
The deficiency of above-mentioned prior art, the leak stopping performance that it can effectively solve existing domestic sealing agent is not good and import sealing agent is produced into
This problem higher.
One of technical scheme is realized by following measures:A kind of molten complex material leak stopping of part theobromine
Agent, raw materials by weight portion meter is 20 mesh to 10 parts to 25 parts of 60 target minreal fiber, the plant of 10 mesh to 40 mesh including mesh number
10 parts to 30 parts of fiber, 10 mesh to 5 parts to 15 parts of the synthetic fibers of 40 mesh, 10 parts to 15 parts of the rigid material of 60 mesh to 80 mesh,
15 parts to 20 parts of the rigid material of 10 parts to 20 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh.
Here is the further optimization and/or improvements to one of foregoing invention technical scheme:
Above-mentioned mineral fibres is one or more of asbestos, mica and vermiculite.
Above-mentioned rigid material is one or more of lime stone, calcite and quartz sand.
Above-mentioned string is one or more of short velveteen, straw and rice husk.
Theobromine molten complex material sealing agent in part described above is obtained as follows:By the desired amount of mesh number be 20 mesh extremely
60 target minreal fibers, 10 mesh to the string of 40 mesh, the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh rigid material
The molten complex material of part theobromine is obtained after the rigid material mixing of material, the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh
Sealing agent.
Above-mentioned mesh number is obtained as follows for 20 mesh to 60 target minreal fibers:By mineral fibres sequentially through crushing and
20 mesh to 60 target minreal fibers are obtained after the vibratory sieve for crossing 20 mesh to 60 mesh;The rigid material of 60 mesh to 80 mesh is as follows
Obtain:Mineral fibres is sequentially obtained the rigid material of 60 mesh to 80 mesh by after crushing and crossing the vibratory sieve of 60 mesh to 80 mesh;
80 mesh to the rigid material of 100 mesh is obtained as follows:Mineral fibres is sequentially shaken by crushing and crossing 80 mesh to 100 purposes
The rigid material of 80 mesh to 100 mesh is obtained after dynamic sieve;100 mesh to the rigid material of 120 mesh is obtained as follows:Mineral are fine
Dimension sequentially obtains the rigid material of 100 mesh to 120 mesh by after crushing and crossing the vibratory sieve of 100 mesh to 120 mesh.
Above-mentioned fibres add 0.1% to 0.2% surfactant to it in crushing process, and surfactant is non-
Ionic surfactant or amphoteric ionic surfactant;Or/and, rigid material is added in crushing process to it
0.1% to 0.2% surfactant, surfactant is nonionic surface active agent or amphoteric ionic surfactant.
The two of technical scheme are realized by following measures:A kind of described part of one of technical scheme
The preparation method of the molten complex material sealing agent of theobromine, is carried out as follows:It is ore deposit of 20 mesh to 60 mesh by the desired amount of mesh number
Fibres, 10 mesh to 40 mesh string, the synthetic fibers of 10 mesh to 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh extremely
The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of the rigid material of 100 mesh and 100 mesh to 120 mesh.
Here is the further optimization and/or improvements to the two of foregoing invention technical scheme:
Above-mentioned mineral fibres is one or more of asbestos, mica and vermiculite.
Above-mentioned rigid material is one or more of lime stone, calcite and quartz sand.
Above-mentioned string is one or more of short velveteen, straw and rice husk.
Above-mentioned mesh number is obtained as follows for 20 mesh to 60 target minreal fibers:By mineral fibres sequentially through crushing and
20 mesh to 60 target minreal fibers are obtained after the vibratory sieve for crossing 20 mesh to 60 mesh;The rigid material of 60 mesh to 80 mesh is as follows
Obtain:Mineral fibres is sequentially obtained the rigid material of 60 mesh to 80 mesh by after crushing and crossing the vibratory sieve of 60 mesh to 80 mesh;
80 mesh to the rigid material of 100 mesh is obtained as follows:Mineral fibres is sequentially shaken by crushing and crossing 80 mesh to 100 purposes
The rigid material of 80 mesh to 100 mesh is obtained after dynamic sieve;100 mesh to the rigid material of 120 mesh is obtained as follows:Mineral are fine
Dimension sequentially obtains the rigid material of 100 mesh to 120 mesh by after crushing and crossing the vibratory sieve of 100 mesh to 120 mesh.
Above-mentioned fibres add 0.1% to 0.2% surfactant to it in crushing process, and surfactant is non-
Ionic surfactant or amphoteric ionic surfactant;Or/and, rigid material is added in crushing process to it
0.1% to 0.2% surfactant, surfactant is nonionic surface active agent or amphoteric ionic surfactant.
The three of technical scheme are realized by following measures:A kind of described part of one of technical scheme
The application method of the molten complex material sealing agent of theobromine, is carried out as follows:Theobromine molten complex material sealing agent in part is added
Leak stopping slurry is obtained in drilling well base slurry and after well mixed, at leak stopping stock pump to Underwell leakage layer, wherein, part theobromine
Mass percent of the molten complex material sealing agent in leak stopping slurry is 3% to 5%.
The leak stopping performance of theobromine molten rigid material sealing agent in part of the present invention is better than domestic common commercially available leak stopping
Agent, and it is suitable with the leak stopping performance of external sealing agent, due to the molten rigid material sealing agent of part theobromine of the present invention
Extensively, low in raw material price makes the low production cost of the molten rigid material sealing agent of part theobromine of the present invention to raw material sources
In the production cost of external sealing agent, the cost performance of the molten rigid material sealing agent of part theobromine of the present invention is set to be better than state
Outer sealing agent, technical support is provided to improve leakage complex process efficiency, is carried to accelerate Complex formation drilling and oil and gas development
Effective technical guarantee is supplied, simultaneously as the otherness of each regional geographical environment, leakage stratum has choosing to sealing agent
Selecting property, illustrates, theobromine molten rigid material sealing agent in part of the present invention is more suitable for native country stratum by testing.
Specific embodiment
The present invention is not limited by following embodiments, can technology according to the present invention scheme and actual conditions determine specifically
Implementation method.Various chemical reagent and chemical article are previously mentioned in the present invention unless otherwise specified, are known in existing technology
Public chemical reagent and chemical article;Percentage in the present invention is as without specified otherwise, being mass percent.
With reference to embodiment, the invention will be further described:
Embodiment 1:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60 purposes
10 parts to 25 parts of mineral fibres, 10 mesh are to 10 parts to 30 parts of the string of 40 mesh, 5 parts to 15 of the synthetic fibers of 10 mesh to 40 mesh
Part, 10 parts to 20 parts of the rigid material of 10 parts to 15 parts of the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh and 100 mesh are to 120
15 parts to 20 parts of purpose rigid material, the molten complex material sealing agent of part theobromine is obtained as follows:Will be the desired amount of
Mesh number is 20 mesh to 60 target minreal fibers, the string of 10 mesh to 40 mesh, the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80
Purpose rigid material, 80 mesh obtain part theobromine after mixing to the rigid material of 120 mesh to the rigid material and 100 mesh of 100 mesh
Molten complex material sealing agent.
Embodiment 2:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60
10 parts or 25 parts of target minreal fiber, 10 parts or 30 parts of the string of 10 mesh to 40 mesh, 5 parts of the synthetic fibers of 10 mesh to 40 mesh
Or 15 parts, 10 parts or 15 parts of the rigid material of 60 mesh to 80 mesh, 10 parts or 20 parts of the rigid material and 100 mesh of 80 mesh to 100 mesh
To 15 parts or 20 parts of the rigid material of 120 mesh, the molten complex material sealing agent of part theobromine is obtained as follows:Will be required
The mesh number of amount is 20 mesh to 60 target minreal fibers, the string of 10 mesh to 40 mesh, the synthetic fibers of 10 mesh to 40 mesh, 60 mesh
Rigid material, 80 mesh to 80 mesh obtain part after mixing to the rigid material of 120 mesh to the rigid material and 100 mesh of 100 mesh
The molten complex material sealing agent of theobromine.
Embodiment 3:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60
10 parts of target minreal fiber, 10 mesh to 40 mesh 30 parts of string, 5 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh
10 parts of rigid material, 10 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh 20 parts of rigid material, the part
The molten complex material sealing agent of theobromine is obtained as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh by the desired amount of mesh number
String, 10 mesh to 40 mesh to the synthetic fibers of 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh rigidity
The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of material and 100 mesh to 120 mesh.
Embodiment 4:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60
25 parts of target minreal fiber, 10 mesh to 40 mesh 10 parts of string, 15 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh
15 parts of rigid material, 20 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh 15 parts of rigid material, the part
The molten complex material sealing agent of theobromine is obtained as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh by the desired amount of mesh number
String, 10 mesh to 40 mesh to the synthetic fibers of 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh rigidity
The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of material and 100 mesh to 120 mesh.
Embodiment 5:Used as the optimization of above-described embodiment, mineral fibres is one or more of asbestos, mica and vermiculite.
Embodiment 6:Used as the optimization of above-described embodiment, rigid material is the one kind in lime stone, calcite and quartz sand
More than.
Embodiment 7:Used as the optimization of above-described embodiment, string is the one kind in short velveteen, straw and rice husk
More than.
Embodiment 8:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60
18 parts of purpose asbestos, 10 mesh to 40 mesh 20 parts of straw, 8 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 destination party
17 parts of the calcite of 12 parts of stone of solution, 15 parts of the calcite of 80 mesh to 100 mesh and 100 mesh to 120 mesh, the molten compounding of part theobromine
Material sealing agent is obtained as follows:By asbestos, the plant straw of 10 mesh to 40 mesh that the desired amount of mesh number is 20 mesh to 60 mesh
Stalk, 10 mesh are to the synthetic fibers of 40 mesh, the calcite of 60 mesh to 80 mesh, the calcite of 80 mesh to 100 mesh and 100 mesh to 120 mesh
Calcite mixing after obtain the molten complex material sealing agent of part theobromine.
Embodiment 9:The molten complex material sealing agent of the part theobromine, raw materials by weight portion meter includes that mesh number is 20 mesh to 60
22 parts of purpose mica, 10 mesh to 24 parts of the rice husk of 40 mesh, 14 parts of the synthetic fibers of 10 mesh to 40 mesh, 60 mesh to 80 mesh rigid material
17 parts of the lime stone of 11 parts of material, 18 parts of the rigid material of 80 mesh to 100 mesh and 100 mesh to 120 mesh, the molten compounding of part theobromine
Material sealing agent is obtained as follows:By mica, rice husk, 10 of 10 mesh to 40 mesh that the desired amount of mesh number is 20 mesh to 60 mesh
Mesh to the synthetic fibers of 40 mesh, the quartz sand of 60 mesh to 80 mesh, the quartz sand of 80 mesh to 100 mesh and 100 mesh to 120 mesh lime
The molten complex material sealing agent of part theobromine is obtained after stone mixing.
Embodiment 10:Used as the optimization of above-described embodiment, mesh number is that 20 mesh to 60 target minreal fibers are obtained as follows
Arrive:Mineral fibres is sequentially obtained into 20 mesh to 60 target minreal fibers by after crushing and crossing the vibratory sieve of 20 mesh to 60 mesh;60
Mesh to the rigid material of 80 mesh is obtained as follows:Mineral fibres sequentially through vibratory sieve crushing and cross 60 mesh to 80 mesh
The rigid material of 60 mesh to 80 mesh is obtained afterwards;80 mesh to the rigid material of 100 mesh is obtained as follows:By mineral fibres sequentially
The rigid material of 80 mesh to 100 mesh is obtained by after crushing and crossing the vibratory sieve of 80 mesh to 100 mesh;The rigidity of 100 mesh to 120 mesh
Material is obtained as follows:Mineral fibres is sequentially obtained into 100 mesh by after crushing and crossing the vibratory sieve of 100 mesh to 120 mesh
To the rigid material of 120 mesh.
Embodiment 11:Used as the optimization of above-described embodiment, fibres add 0.1% to 0.2% in crushing process to it
Surfactant, surfactant is nonionic surface active agent or amphoteric ionic surfactant;Or/and, rigid material
Material adds 0.1% to 0.2% surfactant to it in crushing process, and surfactant is nonionic surface active agent
Or amphoteric ionic surfactant.
Embodiment 12:The application method of the molten complex material sealing agent of part theobromine described in above-described embodiment, by following sides
Method is carried out:By the molten complex material sealing agent of part theobromine be added in drilling well base slurry and it is well mixed after obtain leak stopping slurry, will be stifled
At spillage pump to Underwell leakage layer, wherein, mass percent of the theobromine molten complex material sealing agent in part in leak stopping slurry
For 3% to 5%.
Blocked up according to the molten complex material of part theobromine that embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are obtained
Leak the technical indicator and existing domestic common commercially available sealing agent of agent(It is common commercially available)Technical indicator it is as shown in table 1.
Be can be seen that by the data in table 1 and obtained according to embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9
To the molten complex material sealing agent of part theobromine relative to the acid-soluble ratio of common commercially available sealing agent, temperature resistance, compressive resistance ability, ooze
Saturating rate recovery rate is increased, and blocking time and leak stopping discharge are reduced, then according to embodiment 1, embodiment 3, embodiment
The technical indicator of the molten complex material sealing agent of part theobromine that the 4th, embodiment 8, embodiment 9 are obtained(Acid-soluble ratio, temperature resistance, compressive resistance
Ability, resume permeability rate, blocking time and leak stopping discharge)The technical indicator of domestic common commercially available sealing agent is superior to,
Illustrate the molten complex material sealing agent of part theobromine obtained according to embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9
Leak stopping performance of the leak stopping performance better than domestic common commercially available sealing agent.
Blocked up according to the molten complex material of part theobromine that embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are obtained
Leakage agent is to drilling fluid(Base is starched)Influence as shown in table 2, existing domestic common commercially available sealing agent (common commercially available) is to drilling fluid
Influence as shown in table 2, while single dose(40 mesh walnut shells)Influence to drilling fluid is as shown in table 2.In process of the test, with 1mm
Seam plate carries out static simulation leak stopping, and concentration 5%, simulated pressure 3.0MPa, 60 DEG C of test temperature, base is starched to be from scene and fetches
Well slurry.
Addition embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are can be seen that by the data of table 2 to obtain
The molten complex material sealing agent of part theobromine after base slurry indices numerical value be respectively smaller than in acceding state it is common commercially available stifled
The numerical value of each index of the base slurry of leakage agent or single dose, then embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9 are obtained
Influence of the molten complex material sealing agent of part theobromine for arriving to drilling fluid is respectively less than domestic common commercially available sealing agent and single dose
Influence to drilling fluid, it is possible thereby to illustrate, is obtained using embodiment 1, embodiment 3, embodiment 4, embodiment 8, embodiment 9
Influence of the theobromine molten complex material sealing agent in part to property of drilling fluid is smaller, for existing sealing agent, is more suitable for
In drillng operation.
The molten complex material sealing agent of part theobromine that embodiment 8 is obtained, the sealing agent of Halliburton Company are applied respectively
In Chinese parasol tree ditch group with overlying strata DX1473 wells, DX1804 wells, the sealing agent of An Dong oil companies and embodiment 9 are obtained
Theobromine molten complex material sealing agent in part is applied to eight road gulf groups with overlying strata b1272 wells, b1289 wells, the brill after
Well liquid equal yield density is as shown in table 3.
The molten complex material of part theobromine described in Application Example 8 is can be seen that by the equal yield density raising amount in table 3
Equivalent drilling fluid density raising amount after sealing agent and the equivalent drilling fluid density raising amount using Halliburton Company's sealing agent
Quite, equivalent drilling fluid density raising amount after the molten complex material sealing agent of part theobromine and application described in Application Example 9
The equivalent drilling fluid density raising amount of An Dong oil companies sealing agent quite, illustrates that the part that embodiment 8 and embodiment 9 are obtained can
The molten complex material sealing agent of acid is suitable with the leak stopping performance of above-mentioned two sealing agents.
In sum, the leak stopping performance of the molten rigid material sealing agent of part theobromine of the present invention is better than domestic common city
The sealing agent sold, and it is suitable with the leak stopping performance of external sealing agent, due to theobromine molten rigid material in part of the present invention
Extensively, low in raw material price makes the life of the molten rigid material sealing agent of part theobromine of the present invention to the raw material sources of sealing agent
Production cost of the cost less than external sealing agent is produced, makes the sexual valence of the molten rigid material sealing agent of part theobromine of the present invention
Than better than external sealing agent, technical support being provided to improve leakage complex process efficiency, to accelerate Complex formation drilling and oil
Gas exploitation provides effective technical guarantee, simultaneously as the otherness of each regional geographical environment, leakage stratum is to leak stopping
Agent has selectivity, is illustrated by testing, and theobromine molten rigid material sealing agent in part of the present invention is more suitable for this soil
Layer.
Above technical characteristic constitutes embodiments of the invention, and it has stronger adaptability and implementation result, can basis
The non-essential technical characteristic of increase and decrease is actually needed to meet the demand of different situations.
Claims (10)
1. the molten complex material sealing agent of a kind of part theobromine, it is characterised in that raw materials by weight portion meter include mesh number be 20 mesh extremely
60 10 parts to 25 parts of target minreal fibers, 10 parts to 30 parts of the string of 10 mesh to 40 mesh, the synthetic fibers 5 of 10 mesh to 40 mesh
Part to 15 parts, 10 parts to 15 parts of the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh 10 parts to 20 parts and 100 of rigid material
Mesh to 120 mesh 15 parts to 20 parts of rigid material.
2. the molten complex material sealing agent of part theobromine according to claim 1, it is characterised in that mineral fibres is asbestos, cloud
One or more of female and vermiculite.
3. the molten complex material sealing agent of part theobromine according to claim 1 and 2, it is characterised in that rigid material is lime
One or more of stone, calcite and quartz sand.
4. the molten complex material sealing agent of part theobromine according to claim 1 or 2 or 3, it is characterised in that string is
One or more of short velveteen, straw and rice husk.
5. the molten complex material sealing agent of part theobromine according to claim 1 or 2 or 3 or 4, it is characterised in that the part
The molten complex material sealing agent of theobromine is obtained as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh by the desired amount of mesh number
String, 10 mesh to 40 mesh to the synthetic fibers of 40 mesh, the rigid material of 60 mesh to 80 mesh, 80 mesh to 100 mesh rigidity
The molten complex material sealing agent of part theobromine is obtained after the rigid material mixing of material and 100 mesh to 120 mesh.
6. the molten complex material sealing agent of part theobromine according to claim 1 or 2 or 3 or 4, it is characterised in that mesh number is 20
Mesh to 60 target minreal fibers are obtained as follows:Mineral fibres sequentially through vibratory sieve crushing and cross 20 mesh to 60 mesh
After obtain 20 mesh to 60 target minreal fibers;60 mesh to the rigid material of 80 mesh is obtained as follows:By mineral fibres sequentially
The rigid material of 60 mesh to 80 mesh is obtained by after crushing and crossing the vibratory sieve of 60 mesh to 80 mesh;The rigid material of 80 mesh to 100 mesh
Material is obtained as follows:Mineral fibres is sequentially obtained into 80 mesh to 100 by after crushing and crossing the vibratory sieve of 80 mesh to 100 mesh
Purpose rigid material;100 mesh to the rigid material of 120 mesh is obtained as follows:By mineral fibres sequentially by crushing and mistake
The rigid material of 100 mesh to 120 mesh is obtained after the vibratory sieve of 100 mesh to 120 mesh.
7. the molten complex material sealing agent of part theobromine according to claim 5, it is characterised in that mesh number is 20 mesh to 60 mesh
Mineral fibres obtain as follows:Mineral fibres is sequentially obtained 20 by after crushing and crossing the vibratory sieve of 20 mesh to 60 mesh
Mesh is to 60 target minreal fibers;60 mesh to the rigid material of 80 mesh is obtained as follows:By mineral fibres sequentially by crushing
With the rigid material that 60 mesh to 80 mesh are obtained after the vibratory sieve for crossing 60 mesh to 80 mesh;The rigid material of 80 mesh to 100 mesh is by following
Method is obtained:Mineral fibres is sequentially obtained the rigidity of 80 mesh to 100 mesh by after crushing and crossing the vibratory sieve of 80 mesh to 100 mesh
Material;100 mesh to the rigid material of 120 mesh is obtained as follows:By mineral fibres sequentially by crushing and crossing 100 mesh extremely
The rigid material of 100 mesh to 120 mesh is obtained after the vibratory sieve of 120 mesh.
8. the molten complex material sealing agent of part theobromine according to claim 6 or 7, it is characterised in that mineral fibres is being crushed
During, add 0.1% to 0.2% surfactant to it, surfactant be nonionic surface active agent or both sexes from
Subtype surfactant;Or/and, rigid material adds 0.1% to 0.2% surfactant, surface to it in crushing process
Activating agent is nonionic surface active agent or amphoteric ionic surfactant.
9. the preparation side of the molten complex material sealing agent of a kind of part theobromine according to claim 1 or 2 or 3 or 4 or 6 or 8
Method, it is characterised in that carry out as follows:It is 20 mesh to 60 target minreal fibers, 10 mesh to 40 purposes by the desired amount of mesh number
String, 10 mesh to 40 mesh synthetic fibers, the rigid material of 60 mesh to 80 mesh, 80 mesh to the rigid material of 100 mesh and 100
The molten complex material sealing agent of part theobromine is obtained after mesh to the rigid material mixing of 120 mesh.
10. a kind of part theobromine according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 molten complex material sealing agent
Application method, it is characterised in that carry out as follows:Theobromine molten complex material sealing agent in part is added in drilling well base slurry
And leak stopping slurry is obtained after being well mixed, at leak stopping stock pump to Underwell leakage layer, wherein, theobromine molten complex material in part is blocked up
Mass percent of the leakage agent in leak stopping slurry is 3% to 5%.
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CN108865088A (en) * | 2018-07-04 | 2018-11-23 | 西南石油大学 | Diverting agent and preparation method thereof and with drilling fluid and its application in fracture-type reservoir plugging while drilling |
CN112480885A (en) * | 2020-12-09 | 2021-03-12 | 成都汉元君业油田技术有限公司 | Bridging synergist for drilling fluid |
CN112778983A (en) * | 2020-12-18 | 2021-05-11 | 西南石油大学 | While-drilling plugging agent, preparation method of while-drilling plugging agent and application of while-drilling plugging agent in water-based drilling fluid |
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CN105733532A (en) * | 2016-03-18 | 2016-07-06 | 新疆鹿鸣科技有限公司 | Acid soluble mineral fiber medium-coarse bridging agent, bridging fluid and preparation method thereof |
CN105733533A (en) * | 2016-03-18 | 2016-07-06 | 新疆鹿鸣科技有限公司 | Acid soluble mineral fiber fine bridging agent, bridging fluid and preparation method thereof |
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CN104087274A (en) * | 2014-07-14 | 2014-10-08 | 中国石油集团渤海钻探工程有限公司 | Multi-stage blocking pressure-bearing plugging agent |
CN105086966A (en) * | 2015-09-11 | 2015-11-25 | 中石化石油工程技术服务有限公司 | Shallow-well high-polymer gel plugging agent and preparation method thereof |
CN105733532A (en) * | 2016-03-18 | 2016-07-06 | 新疆鹿鸣科技有限公司 | Acid soluble mineral fiber medium-coarse bridging agent, bridging fluid and preparation method thereof |
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CN108865088A (en) * | 2018-07-04 | 2018-11-23 | 西南石油大学 | Diverting agent and preparation method thereof and with drilling fluid and its application in fracture-type reservoir plugging while drilling |
CN112480885A (en) * | 2020-12-09 | 2021-03-12 | 成都汉元君业油田技术有限公司 | Bridging synergist for drilling fluid |
CN112778983A (en) * | 2020-12-18 | 2021-05-11 | 西南石油大学 | While-drilling plugging agent, preparation method of while-drilling plugging agent and application of while-drilling plugging agent in water-based drilling fluid |
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