CN106930745A - Exploitation of oil-gas field method - Google Patents
Exploitation of oil-gas field method Download PDFInfo
- Publication number
- CN106930745A CN106930745A CN201511026436.9A CN201511026436A CN106930745A CN 106930745 A CN106930745 A CN 106930745A CN 201511026436 A CN201511026436 A CN 201511026436A CN 106930745 A CN106930745 A CN 106930745A
- Authority
- CN
- China
- Prior art keywords
- water
- resin
- exploitation
- oil
- gas field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/267—Methods for stimulating production by forming crevices or fractures reinforcing fractures by propping
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
Abstract
The present invention proposes a kind of exploitation of oil-gas field method, is that to adding 5-60 part from suspended prop in 100 parts of natural waters of parts by volume, then be transported to gained proppant slurry in subterranean strata by formation proppant slurry.Method proposed by the present invention, with natural water directly as load fluid, without thickener, hence it is evident that reduce the cost of construction liquid.Fracturing fluid need not be configured, construction equipment is reduced, simplifies construction process, shorten the engineering time, reduce the labour intensity of workman.Natural water is free of thickener, and reservoir damage is light, and production-increasing function is good.Stratum water, environmental protection are not polluted.
Description
Technical field
The invention belongs to exploitation of mineral resources field, and in particular to a kind of by support reinforcing crack
The oil field of hydraulic fracturing, gas field, shale gas exploitation method.
Background technology
Riverfrac treatment (Water Fracturing) is that a small amount of drag reducer, stabilization are added in clear water
The fracturing work that the additives such as agent, surfactant are carried out as fracturing fluid, is called and does drag reduction water
Pressure break.Experiment shows, with the addition of the riverfrac treatment effect of proppant significantly better than being not added with proppant
When effect, proppant can allow crack fracturing fluid return after still keep it turned on.Clear water
Pressure break low cost, formation damage is small, is that current shale gas develop topmost fracturing technique.
But, fluid loss additive, thickener are contained in the clear water in existing riverfrac treatment technology, it is main
If macromolecular compound, the such as high molecular weight polysaccharide or melon of mannose and galactolipin composition
Gum derivative or cellulose derivative, or biopolymer, such as xanthans, diphenylmethyl
Alkane and scleroglucan etc., to provide the effect of antifriction.These macromolecular compounds are in company with clear
Water enters stratum, and underground water is entered by ground layer gap during exploitation, after exploitation, causes environment
Pollution, caused multi-party concern (《Oilfields engineering》09 phase in 2010).On the other hand,
When fracturing fluid recovery (backflow), very big pump power is consumed, be unfavorable for all rows of returning.If high
Molecular material and proppant are combined, and there is a problem of that intensity is bad, difficult recovery again, if combination
Proppant it is damaged, macromolecular material is entered geological formations, cause underground water pollution.
The content of the invention
In place of in view of the shortcomings of the prior art, it is an object of the invention to provide a kind of clear water pressure
Split the exploitation of oil-gas field method of support.
To achieve the above object, concrete technical scheme is：
A kind of exploitation of oil-gas field method of riverfrac treatment support, it is natural to 100 parts of parts by volume
Added in water 5-60 parts (volume integral) from suspended prop, form proppant slurry, then
Gained proppant slurry is transported in subterranean strata；The subterranean strata can be viscous crude oil
One kind in rock stratum, natural gas rock stratum, Salt layer, the sedimentary type formations of Tibetan.
The natural water is selected from the one kind in river, breeding water, lake water, seawater and underground water
Or it is various；
It is described from suspended prop be spherical particle that macromolecular material is coated with aggregate；Institute
It is water-soluble high-molecular material and the mixture of resin to state macromolecular material, and the resin is natural
Resin or synthetic resin；
During the subterranean strata is rock stratum, rammell, Salt layer, the sedimentary type formations of heavy crude reservoir
One kind.
The natural water is selected from the one kind in river, breeding water, lake water, seawater and underground water
Or it is various；
It is described from suspended prop be spherical particle that macromolecular material is coated with aggregate；Institute
It is water-soluble high-molecular material and the mixture of resin to state macromolecular material, and the resin is natural
Resin or synthetic resin；
During the subterranean strata is rock stratum, rammell, Salt layer, the sedimentary type formations of heavy crude reservoir
One kind.
Wherein, described is that adhesive solution is scattered in aggregate from suspended prop, is added
Water-soluble high-molecular material is obtained, and the binder solution accounts for aggregate weight 10-30%, water-soluble
Macromolecular material accounts for aggregate weight 0.1~5%.
Wherein, the aggregate is quartz sand, haydite, precoated sand, metallic particles, globular glass
One kind in particle, the shell particle crushed；The size of the aggregate be 6-200 mesh (i.e.
Between 2.8mm-0.075mm).
Preferably, the natural resin is rosin, shellac or kopol；The synthetic resin
It is phenolic resin or epoxy resin.
Further, the phenolic resin is thermoplastic phenolic resin and/or thermosetting phenolic tree
Fat；The epoxy resin be preferably epoxy resin E-55, E-51, E44, E-42, E-35,
One or more in E-20 (601), E-14, E-12, E-06, E-03；
Wherein, the solvent of the adhesive solution is organic solvent, and the organic solvent preferably is selected from
Acetone, ethyl acetate, methyl acetate chloroform, in dimethylformamide, tetrahydrofuran, ethanol
One or more；
Preferably, described water-soluble high-molecular material be selected from tragacanth gum, locust bean gum, guanidine glue,
Sesbania gum, rubber made from soybean cake, xanthans, gellan gum, shitosan, polyamino resin, amino resins,
Polyurethane resin, polyacrylamide, polyacrylic acid, polyethylene glycol, polyethylene glycol oxide, poly- horse
Come acid anhydrides, polyquaternium, carboxymethylcellulose calcium, hydroxymethyl cellulose, methylcellulose, second
Base cellulose, quaternary ammonium salt-modified shitosan, hydroxyethyl cellulose, carboxyethyl starch, acetic acid form sediment
One or more in powder, methylol guanidine glue, hydroxypropyl guar, carboxy-methyl hydroxy propyl guanidine glue.
It is proposed by the present invention to be manufactured using any method from suspended prop.Preferably, institute
State from the preparation method of suspended prop and be：
1) particle with 16-200 mesh is described to binder solution is added in aggregate as aggregate
Binder solution accounts for aggregate weight 10-30%, adds the water solubility for accounting for aggregate weight 0.1-2.0%
Macromolecular material.
2) stir, dry screening.
Step 2) it is preferably the heat drying at 60-100 DEG C, drying time 2-10h.
The beneficial effects of the present invention are：
Use proposed by the present invention from the riverfrac treatment system oil production method of suspended prop, without
Using with the addition of organic polymer and costly fracturing fluid carries out pressure break, and directly use with
Locating available natural water carries out pressure break；Natural water directly as load fluid, without thickener,
Significantly reduce the cost of construction liquid.Fracturing fluid need not be configured, construction equipment, letter is reduced
Change construction process, shorten the engineering time, reduce the labour intensity of workman.
Returning discharge opeing can be with secondary re-injection, not polluted underground water.Eliminate extensive repeatedly configuration pressure
Split liquid performance change possibility, pressing crack construction stabilization.The frictional resistance of fracturing fluid is small, increases fracturing pump
Effect, sand than high, beneficial to being sufficient filling with for geology crack.
Method proposed by the present invention is wide using scope, can apply to conventional oil well, gas well, water
The fracturing work of the fluid minerals such as well, it is also possible to be applied to the fracturing work of shale gas, coal bed gas.
The row of returning is quick, it is possible to use rubber breaker, and the macromolecule of proppant surface is decomposed into small molecule,
Realize the quick row of returning.Applied widely, either natural fresh water or seawater, can be used for taking
Sand liquid, carries out fracturing work.
Brief description of the drawings
Fig. 1 is the flow chart of exploitation.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
1) with quartz sand (river sand) 1000g as raw material, after cleaning drying, in sand completely
Not aqueous, it is aggregate (the pre- place of quartz sand in following examples to screen the quartz sand of 20-40 mesh
Reason process is identical)；
2) epoxy resin E-55, by 1：1 ratio mixes with ethyl acetate.Stir, make
The adhesive solution of 50mL is obtained, then to addition aggregate, 10g guanidine glue in adhesive solution.
3) step 2) gained mixture spontaneously dry after, screening.
The proppant for obtaining is the particle (more slightly larger than aggregate size) of particle diameter 20-40 mesh, aggregate table
Bread covers or part is coated with guanidine glue macromolecular material.
Embodiment 2
1) 40-70 mesh 1kg quartz sands (aeolian sand) is taken as aggregate, it is standby；
2) epoxy resin E-51, by 1：1 ratio mixes with Ethyl formate.Stir, make
The adhesive solution of 50mL is obtained, then to addition aggregate, 10g carboxymethyl guanidines in adhesive solution
Glue.
3) step 2) gained mixture spontaneously dry after, screening.
Embodiment 3
1) 30-50 mesh 1kg quartz sands (sea sand) and sintered alumina are taken as aggregate, two kinds
Material mesh number is identical, isometric mixing, standby；
2) resol 8g, adds ethanol 20g.Stir, then to bonding agent
Aggregate, 10g polyacrylamides are added in solution.
3) step 2) gained mixture spontaneously dry after, screening.
Comparative example 1
Proppant：Quartz sand, granularity 20-40 mesh.
Sedimentation experiment in natural water (not adding chemicals).
Embodiment 1-3, the sinking speed of the proppant of comparative example 1 in the natural water of table 1
Embodiment 4
1) 30-50 mesh 1kg precoated sands are taken (according to patent CN1640981A, the side of embodiment 2
It is prepared by method) as aggregate, it is standby；
2) epoxy resin E-51, by 1：1 ratio mixes with Ethyl formate.Stir, make
The adhesive solution of 40mL is obtained, then to addition aggregate, 10g xanthans in adhesive solution.
3) step 2) gained mixture spontaneously dry after, screening.
Embodiment 5
1) 40-70 mesh 1kg haydites are taken as aggregate, it is standby；
2) epoxy resin E-55, by 1：1 ratio mixes with ethyl acetate.Stir, make
The adhesive solution of 40mL is obtained, it is then fine to addition aggregate, 10g carboxymethyls in adhesive solution
Dimension element.
3) step 2) gained mixture spontaneously dry after, screening.
Comparative example 2
Proppant：With haydite as proppant.
Embodiment 4,5, the sinking speed of the proppant of comparative example 2 in the natural water of table 2
Embodiment 6
1) the 30-50 mesh stainless steel particles of 1kg are taken as aggregate, it is standby；
2) epoxy resin E-51, by 1：1 ratio mixes with Ethyl formate.Stir, make
The adhesive solution of 40mL is obtained, then to addition aggregate, 20g shitosan seasons in adhesive solution
Ammonium salt.
3) step 2) gained mixture spontaneously dry after, screening.
Embodiment 7
1) the 30-50 mesh stainless steel particles of 1kg are taken as aggregate, it is standby；
2) epoxy resin E-51, by 1：1 ratio mixes with Ethyl formate.Stir, make
The adhesive solution of 40mL is obtained, then to addition aggregate, 10g shitosan seasons in adhesive solution
Ammonium salt.
3) step 2) gained mixture spontaneously dry after, screening.
Embodiment 8
1) walnut shell of 40-70 mesh 1kg crushing is taken as aggregate, it is standby；
2) epoxy resin E-51, by 1：1 ratio mixes with Ethyl formate.Stir, make
The adhesive solution of 50mL is obtained, then to addition aggregate, 10g both sexes poly- third in adhesive solution
Acrylamide.
3) step 2) gained mixture spontaneously dry after, screening.
Comparative example 3
Proppant：Patent CN1640981A, the precoated sand of the method preparation of embodiment 2.
Embodiment 6-8, the sinking speed of the proppant of comparative example 3 in the natural water of table 3
Test example 1
Active water：The PAMA (molecular weight 3,000,000) of 0.25g, the OP-10 of 1g,
The water of the potassium chloride, 0.1g formaldehyde and 488.65g of 10g.
The preparation process of active water is：The polyacrylamide of above-mentioned specified quantitative is dissolved in 488.65g
Water in, be well mixed, obtain viscous water；The OP-10 of above-mentioned specified quantitative is dissolved in acquisition
In viscous water, it is well mixed；10g potassium chloride is added, is stirred；Add 0.1g first
Aldehyde, stirs.
Clear water：Natural water (surface water), without addition chemicals.
Test method：To embodiment 1-8, comparative example 1-3 proppant respectively in active water
Solid-carrying performance and frictional resistance parameter testing are carried out, viscosity determining procedure is referring to standard
(SYT5107-2005)；Sinking speed is determined and uses 0.5m lucite tubes, loads 45cm
Active water high and sand shake up the sinking speed of test proppant than the proppant for 30%；Rub
Resistance uses DV-III viscosimeters, 30% sand of configuration than pressure break system, fixed rotating speed and rotor,
Their moment of torsion is determined to characterize.Test result such as table 4 below：
In table 4, proppant is 30 with the mass ratio of active water：100.Sequence number 1,2 ... is represented
Embodiment 1, embodiment 2 ..., sequence number " to 1 " represent comparative example 1.Similarly hereinafter.
The sinking speed of proppant in the active water of table 4
Test method：To embodiment 1-8, the proppant of comparative example 1-3 enters in clear water respectively
Liquid viscosity, solid-carrying performance and frictional resistance parameter testing are gone, viscosity determining procedure is referring to standard
(SYT5107-2005)；Sinking speed is determined and uses 0.5m lucite tubes, loads 45cm
Active water high and sand shake up the sinking speed of test proppant than the proppant for 30%；Rub
Resistance uses DV-III viscosimeters, 30% sand of configuration than pressure break system, fixed rotating speed and rotor,
Their moment of torsion is determined to characterize.Test result such as table 5 below, 6：
The frictional resistance of proppant in the natural water of table 5
The test result of table 5 shows, proposed by the present invention to have in natural water from suspended prop
There are excellent prop-carrying capacity and drop frictional resistance ability.
Table 6 adds the viscosity of clear water after proppant
Proppant prepared by the embodiment of the present application 1-10, according to the sand ratio (weight of proppant and water
Part ratio) 10：100、20：100、30：100 are added in clear water, after stirring, equal energy
Suspend more than two hours.
The proppant of comparative example, according to sand ratio (weight ratio of proppant and water) 10：100、
20：100、30：100 are added in clear water, after stirring, about 10 seconds sedimentation 0.5m of quartz sand,
Haydite about 15 seconds, precoated sand about 30 seconds.
Experimental example 2
Using clear water system, fracturing fluid is natural water (surface water), without addition chemicals.
With reference to People's Republic of China's oil and gas industry standard, fracturing propping agents filling bed is short
Phase flow conductivity evaluation method, i.e. the permeability of the different proppant packed layers of APIRP61 tests,
Mechanical property.The results are shown in Table 7, table 8.
Each test group permeability result (unit of table 7：μm2.cm)
Mechanical performance detection, the group life of each experimental group are carried out according to standard SY/T5108-2006
Ibid, testing result is shown in Table 8 to name：
The mechanical strength test of table 8
Test example 3：
Liaohe Oil Field, certain horizontal well, well depth 1900m.Degassing viscosity of thickened oil 5620mPas
(50 DEG C), initial reservoir pressure 10MPa.38 DEG C of the temperature of the original reservoir.
A kind of pressing crack construction method that sand is taken based on natural water, for oil well, as shown in figure 1,
Comprise the following steps：
Natural water used by the present embodiment is the clear water of crawl discharge, estimates no solid particle.
Proppant used by the present embodiment is made from suspended prop for embodiment 3.
, used as prepad fluid, frozen glue used is 0.4% hydroxypropyl guar gum for step one, configuration frozen glue
The aqueous solution is crosslinked through borax and obtains.
Step 2, connection pressing crack construction pipeline, using prepad fluid frozen glue pressure testing, and press off target
Reservoir.
Step 3, in the state of continuously stirring, with 2.38m3The flow of/min pumps into clear water
Fracturing blender truck, while with 1.02m3The speed of/min is mixed fracturing blender truck is conveyed into from suspended prop
Close uniform.
Step 4, well mixed suspension, via pressure break pump truck with mulling identical speed
Pump into target reservoir crack.
Work progress pressure is steady, whole process 1.5 hours, after construction finishes closing well 3 hours
The row of returning.Return discharge opeing limpid, 10 hours rows of returning are thoroughly.Initial stage daily output liquid 2.6m3/ d, oil-producing 1.7
m3/ d, compared with Lin Jing routine guar gum frozen glue pressure breaks, output increased 12%.
Embodiment above is only that the preferred embodiment of the present invention is described, not right
The scope of the present invention is defined, on the premise of design spirit of the present invention is not departed from, this area
The all variations and modifications that ordinary skill technical staff makes to technical scheme, all should
Fall into the protection domain of claims of the present invention determination.
Claims (7)
1. a kind of exploitation of oil-gas field method, it is characterised in that be to 100 parts of natural waters of parts by volume
5-60 parts of middle addition forms proppant slurry, then by gained proppant from suspended prop
Suspension is transported in subterranean strata；
The natural water is selected from the one kind in river, breeding water, lake water, seawater and underground water
Or it is various；
It is described from suspended prop be spherical particle that macromolecular material is coated with aggregate；Institute
It is water-soluble high-molecular material and the mixture of resin to state macromolecular material, and the resin is natural
Resin or synthetic resin；
During the subterranean strata is rock stratum, rammell, Salt layer, the sedimentary type formations of heavy crude reservoir
One kind.
2. exploitation of oil-gas field method according to claim 1, it is characterised in that it is described from
Suspended prop is that adhesive solution is scattered in aggregate, adds water-soluble high-molecular material
It is obtained, the binder solution accounts for aggregate weight 10-30%, and water-soluble high-molecular material accounts for aggregate
Weight 0.1~5%.
3. exploitation of oil-gas field method according to claim 1, it is characterised in that the bone
Expect for quartz sand, haydite, precoated sand, metallic particles, sintered bauxite, sintered alumina,
Sintered zirconia, synthetic resin, globular glass particle, crush shell particle in one kind or
It is various；The size of the aggregate is 6-200 mesh.
4. exploitation of oil-gas field method according to claim 1, it is characterised in that described
Natural resin is rosin, shellac or kopol；The synthetic resin is phenolic resin or epoxy
Resin.
5. exploitation of oil-gas field method according to claim 4, it is characterised in that described
Phenolic resin is thermoplastic phenolic resin and/or thermosetting phenolic resin；The epoxy resin choosing
From epoxy resin E-55, E-51, E44, E-42, E-35, E-20 (601), E-14, E-12,
One or more in E-06, E-03.
6. exploitation of oil-gas field method according to claim 2, it is characterised in that described
The solvent of adhesive solution be organic solvent, the organic solvent be selected from acetone, ethyl acetate,
Methyl acetate chloroform, one or more in dimethylformamide, tetrahydrofuran, ethanol.
7. exploitation of oil-gas field method according to claim 1, it is characterised in that described
Water-soluble high-molecular material be selected from tragacanth gum, locust bean gum, guanidine glue, sesbania gum, rubber made from soybean cake,
Xanthans, gellan gum, shitosan, polyamino resin, amino resins, polyurethane resin, poly- third
Acrylamide, polyacrylic acid, polyethylene glycol, polyethylene glycol oxide, HPMA, polyquaternium,
Carboxymethylcellulose calcium, hydroxymethyl cellulose, methylcellulose, ethyl cellulose, quaternary ammonium salt change
Property shitosan, hydroxyethyl cellulose, carboxyethyl starch, acetic starch, methylol guanidine glue, hydroxyl
One or more in propyl guanidine glue, carboxy-methyl hydroxy propyl guanidine glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026436.9A CN106930745A (en) | 2015-12-31 | 2015-12-31 | Exploitation of oil-gas field method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511026436.9A CN106930745A (en) | 2015-12-31 | 2015-12-31 | Exploitation of oil-gas field method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106930745A true CN106930745A (en) | 2017-07-07 |
Family
ID=59441754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511026436.9A Withdrawn CN106930745A (en) | 2015-12-31 | 2015-12-31 | Exploitation of oil-gas field method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106930745A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233787A (en) * | 2018-10-30 | 2019-01-18 | 河北鑫合生物化工有限公司 | A kind of shale gas slippery water fracturing fluid and preparation method thereof based on microbial polysaccharide |
| CN109281645A (en) * | 2018-09-30 | 2019-01-29 | 重庆长江造型材料（集团）股份有限公司 | Using the construction method from suspension riverfrac treatment proppant |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948158A (en) * | 2014-03-28 | 2015-09-30 | 北京仁创科技集团有限公司 | Hydraulic fracturing oil and gas field exploitation method |
-
2015
- 2015-12-31 CN CN201511026436.9A patent/CN106930745A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104948158A (en) * | 2014-03-28 | 2015-09-30 | 北京仁创科技集团有限公司 | Hydraulic fracturing oil and gas field exploitation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109281645A (en) * | 2018-09-30 | 2019-01-29 | 重庆长江造型材料（集团）股份有限公司 | Using the construction method from suspension riverfrac treatment proppant |
| CN109233787A (en) * | 2018-10-30 | 2019-01-18 | 河北鑫合生物化工有限公司 | A kind of shale gas slippery water fracturing fluid and preparation method thereof based on microbial polysaccharide |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104948158A (en) | Hydraulic fracturing oil and gas field exploitation method | |
| RU2614825C2 (en) | Method of slickwater fracturing | |
| RU2652592C1 (en) | Self-advancing proppant, its preparation and usage | |
| CN104948159A (en) | Natural water fracturing construction method | |
| CN104948154A (en) | Natural water fracturing construction method | |
| CN104948160A (en) | Self-suspension proppant and preparation method thereof and construction method | |
| US7931084B2 (en) | Methods for treating a subterranean formation by introducing a treatment fluid containing a proppant and a swellable particulate and subsequently degrading the swellable particulate | |
| US20140374095A1 (en) | Nanoparticle slurries and methods | |
| CN104944840A (en) | Preparation method of self-suspension proppant for natural hydrofracturing construction | |
| WO2014193834A1 (en) | Ampholyte polymeric compounds in subterranean applications | |
| CN104946235A (en) | Preparation method of self-suspension proppant and prepared proppant | |
| CN104946234A (en) | Self-suspended propping agent and preparation method thereof | |
| WO2015069293A1 (en) | Methods for enhancing propped fracture conductivity | |
| US20180238159A1 (en) | Methods of propping created fractures and microfractures in tight formation | |
| CN112111265A (en) | In-situ generated proppant for hydraulic fracturing | |
| US8579029B2 (en) | System, method and treatment fluid for controlling fines migration | |
| CN106930745A (en) | Exploitation of oil-gas field method | |
| CN110168012B (en) | Multiphase polymer suspensions and their use | |
| CN106928966A (en) | Expanding material composition containing polyvinyl alcohol and the application from suspended prop and proppant and preparation method | |
| CN106928974A (en) | Expanding material composition containing polyvinyl alcohol and the application from suspended prop and proppant and preparation method | |
| WO2021006944A1 (en) | Cationic formation stabilizers compatible with anionic friction reducing polymers | |
| WO2016134123A1 (en) | Flowback aid for fracturing fluids | |
| CN106928980A (en) | Expanding material composition containing polyvinyl alcohol and from suspended prop and its application and preparation method | |
| CN106928993A (en) | Expanding material composition containing polyethylene glycol oxide and from suspended prop and the preparation method and application of proppant | |
| CN116589992A (en) | Environment-friendly weak gel wall-protecting core-protecting drilling fluid for loose sandstone stratum drilling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170707 |
|
| WW01 | Invention patent application withdrawn after publication |