CN212334857U - High-salinity fracturing matching system in northern Shaanxi region - Google Patents
High-salinity fracturing matching system in northern Shaanxi region Download PDFInfo
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- CN212334857U CN212334857U CN202020840167.XU CN202020840167U CN212334857U CN 212334857 U CN212334857 U CN 212334857U CN 202020840167 U CN202020840167 U CN 202020840167U CN 212334857 U CN212334857 U CN 212334857U
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- water
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- liquid
- treatment tank
- supply device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000004576 sand Substances 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 230000000996 additive effect Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 238000009826 distribution Methods 0.000 claims abstract description 8
- 239000011345 viscous material Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 15
- 239000003814 drug Substances 0.000 claims description 11
- 239000003607 modifier Substances 0.000 claims description 8
- 239000000575 pesticide Substances 0.000 claims description 2
- 239000002352 surface water Substances 0.000 abstract description 12
- 239000012530 fluid Substances 0.000 abstract description 11
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001425 magnesium ion Inorganic materials 0.000 abstract description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011575 calcium Substances 0.000 abstract description 4
- 239000002738 chelating agent Substances 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 229910052791 calcium Inorganic materials 0.000 abstract description 3
- 150000001768 cations Chemical class 0.000 abstract description 3
- 239000008187 granular material Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 238000005304 joining Methods 0.000 abstract description 3
- 238000000746 purification Methods 0.000 abstract description 3
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 10
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 5
- 230000033558 biomineral tissue development Effects 0.000 description 5
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000018109 developmental process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- AEQDJSLRWYMAQI-UHFFFAOYSA-N 2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline Chemical compound C1CN2CC(C(=C(OC)C=C3)OC)=C3CC2C2=C1C=C(OC)C(OC)=C2 AEQDJSLRWYMAQI-UHFFFAOYSA-N 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 101100494448 Caenorhabditis elegans cab-1 gene Proteins 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229960001484 edetic acid Drugs 0.000 description 1
- -1 ethylene diamine tetraacetic acid compound Chemical class 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 229940031958 magnesium carbonate hydroxide Drugs 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- HELHAJAZNSDZJO-OLXYHTOASA-L sodium L-tartrate Chemical compound [Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O HELHAJAZNSDZJO-OLXYHTOASA-L 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 229960001790 sodium citrate Drugs 0.000 description 1
- 235000011083 sodium citrates Nutrition 0.000 description 1
- 239000000176 sodium gluconate Substances 0.000 description 1
- 229940005574 sodium gluconate Drugs 0.000 description 1
- 235000012207 sodium gluconate Nutrition 0.000 description 1
- 229940023144 sodium glycolate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000001433 sodium tartrate Substances 0.000 description 1
- 229960002167 sodium tartrate Drugs 0.000 description 1
- 235000011004 sodium tartrates Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The utility model provides a high-salinity fracturing matching system in northern Shaanxi area, which relates to the technical field of fracturing, and comprises a liquid distribution vehicle, wherein the liquid distribution vehicle comprises a cab, a chassis and a carriage; a mixing tank, an additive supply device, a water treatment device, a viscous material supply device and a liquid outlet system are arranged in the carriage, wherein the mixing tank is used for uniformly mixing the materials conveyed by the additive supply device, the water treatment device and the viscous material supply device and discharging the materials through the liquid outlet system; the utility model discloses carry out purification treatment to the water before surface water mixes the disposition, adopt the sand removal device to go out the large granule silt impurity in the dewatering, adopt high-efficient cation chelator, make free calcium in shallow surface water, magnesium ion content descends, realized adopting shallow surface water to dispose fracturing fluid on the spot, saved the long distance and transported domestic water to the loaded down with trivial details link that the well site joined in marriage liquid, practice thrift the cost, usable liquid car of joining in marriage carries out the scene and joins in marriage liquid, single well operation preparation cycle is short, it is steady to supply liquid.
Description
Technical Field
The utility model belongs to the technical field of the fracturing technique and specifically relates to a supporting system of high mineralization degree fracturing in northern Shaanxi area.
Background
The hydraulic fracturing process is a production stabilizing and increasing process widely used in oil fields, at present, unconventional oil and gas reservoirs appear in large quantities in China, low-permeability reservoirs are low in porosity, low in permeability, strong in heterogeneity, low in reserve abundance and easy to damage, and most of oil and gas wells of the low-permeability reservoirs have capacity after fracturing production increasing measures are carried out. Hydraulic fracturing has become an important measure for increasing production in low-permeability and ultra-low-permeability oil field development, and the technological level of the hydraulic fracturing has direct influence on economic development of oil gas. The research and development of large-scale fracturing matching technology plays an important role in improving the site construction level and the quality control capability.
The exploration and development activities of many oil and gas wells in China extend to some regions with very lack of fresh water, such as the regions in northern Shaanxi, the regions are gobi, deserts and the like, water sources which are easily available in the environments are very high in mineralization degree, and the direct liquid preparation by using the water has great influence on the performance of the guanidine gum fracturing fluid and is mainly shown in the following aspects: 1. the dissolving performance of the guanidine gum is influenced, the guanidine gum is fully dissolved in water with high mineralization degree, and the maximum viscosity can be reached in more than ten hours in some cases; 2. the adjustment of the PH value of the fracturing fluid is influenced, the boron crosslinking technology matched with the guanidine gum fracturing fluid can only act under the condition of being practiced, the alkaline additive capable of adjusting the PH value can promote the formation of calcium carbonate, magnesium carbonate and magnesium hydroxide precipitates in high-salinity water, and alkaline substance precipitates and alkaline liquid drop capsules wrapped by high polymers in a mixed manner can be formed in the presence of guanidine gum high polymer substances, so that the alkaline property of a fracturing fluid system is not uniform, and the like.
In northern Shaanxi, long-distance transportation of high-quality water is a method with high cost, and due to the scarcity of water sources, people always hope to directly prepare fracturing fluid by using highly mineralized water.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a supporting system of northern Shanxi area hypersalinity fracturing to solve the current high problem of northern Shanxi area fracturing fluid configuration system water mineralization.
The utility model discloses a realize like this: a high-salinity fracturing matching system in northern Shaanxi region comprises a liquid distribution vehicle, wherein the liquid distribution vehicle comprises a cab, a chassis and a carriage;
a mixing tank, an additive supply device, a water treatment device, a viscous material supply device and a liquid outlet system are arranged in the carriage, wherein the mixing tank is used for uniformly mixing the materials conveyed by the additive supply device, the water treatment device and the viscous material supply device and discharging the materials through the liquid outlet system;
the water treatment device comprises a desanding device, a water treatment tank, a stirring device and a water quality modifier dosing device, wherein the water treatment tank is provided with a water inlet and a water outlet, the water inlet is communicated with a water source through a pipeline, the water outlet is communicated with the blending tank through a pipeline, and the desanding device is arranged between the water treatment tank and the water source;
the desanding device comprises a cyclone desander, a liquid outlet is formed in the upper axial end of the cyclone desander, a tangential liquid inlet is formed in the upper portion of the cyclone desander, a desanding opening is formed in the bottom of the cyclone desander, and a spiral sand discharging device is arranged at the bottom of the desanding opening; a filter screen is horizontally arranged at the upper part in the water treatment tank, a through hole is formed in the center of the filter screen, the stirring device comprises a stirring motor and a stirring shaft, and the stirring shaft penetrates through the through hole and extends into the water treatment tank; the water quality modifier dosing device comprises a pesticide box and a delivery pipe, wherein the delivery pipe extends into the water treatment box, and a check valve is arranged on the delivery pipe.
Preferably, a first water pump is arranged on a pipeline between the water treatment tank and a water source, and a second water pump is arranged on a pipeline between the water treatment tank and the mixing tank.
Preferably, a stirring blade is provided in the medicine tank.
Preferably, a liquid level sensor is provided in the medicine chest.
Preferably, an electric control cabinet is arranged in the carriage.
Preferably, a pH adjusting device is arranged in the water treatment tank.
Adopt above-mentioned technical scheme, the utility model discloses carry out purification treatment to the water before surface water mixes the disposition, adopt the sand removal device to go out the interior large granule silt impurity of dewatering, adopt high-efficient cation chelator, make free calcium in shallow surface water, magnesium ion content descends, realized adopting shallow surface water configuration fracturing fluid on the spot, saved the loaded down with trivial details link that the liquid was joined in marriage to remote life water that transports to the well site, practice thrift the cost, the usable liquid car of joining in marriage carries out the scene and joins in marriage the liquid, single well operation preparation cycle is short, it is steady to supply liquid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural view of the water treatment apparatus of the present invention.
In the figure: 1-cab, 2-chassis, 3-carriage, 4-blending tank, 5-additive feeding device, 6-stickness material feeding device, 7-liquid outlet system, 8-water treatment box, 10-desanding device, 11-liquid outlet, 12-tangential liquid inlet, 13-desanding port, 14-spiral desanding device, 15-filter screen, 16-stirring shaft, 18-medicine box, 19-conveying pipe, 20-check valve, 21-stirring blade, 22-liquid level sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "upper" and "lower" are used for the purpose of describing the structure of the present invention based on the illustration of fig. 1, and are only used for the convenience of describing the present invention, but not for indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention. In the technical scheme, the terms "first" and "second" are only used for referring to the same or similar structures or corresponding structures with similar functions, and are not used for ranking the importance of the structures, or comparing the sizes or other meanings.
In addition, unless expressly stated or limited otherwise, the terms "mounted" and "connected" are to be construed broadly, e.g., the connection may be a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two structures can be directly connected or indirectly connected through an intermediate medium, and the two structures can be communicated with each other. To those skilled in the art, the specific meanings of the above terms in the present invention can be understood in relation to the present scheme in specific terms according to the general idea of the present invention.
As shown in fig. 1 and 2, a high-salinity fracturing matching system in northern Shaanxi region comprises a liquid distribution vehicle, wherein the liquid distribution vehicle comprises a cab 1, a chassis 2 and a carriage 3. The utility model discloses be provided with in carriage 3 and thoughtlessly join in marriage jar 4, additive feeding device 5, water treatment facilities, stickness material feeding device 6 and play liquid system 7, thoughtlessly join in marriage jar 4 and be used for the material misce bene that carries additive feeding device 5, water treatment facilities, stickness material feeding device 6 and discharge through play liquid system 7.
Most of the areas in northern Shaanxi are Gobi, the surface water content is low, the mineralization degree in the surface water is high, the mineral content is high, and the mixing effect of the fracturing fluid can be influenced by directly taking water to prepare the fracturing fluid. Therefore, the utility model discloses a water treatment facilities includes desanding device 10, water treatment tank 8, agitating unit and quality of water modifier charge device 9, is provided with water inlet and delivery port on water treatment tank 8, and the water inlet passes through pipeline and water source intercommunication, and the delivery port passes through the pipeline and joins in marriage 4 intercommunications of blending tank, and desanding device 10 sets up between water treatment tank 8 and water source.
Preferably, the utility model discloses a sand removing device 10 includes the whirl desander, is provided with liquid outlet 11 in the axial upper end of whirl desander, is provided with tangential inlet 12 on the upper portion of whirl desander, is provided with sand removing opening 13 in the bottom of whirl desander, is provided with spiral sand discharging device 14 in sand removing opening 13's bottom. The utility model discloses be provided with first water pump on the pipeline between water treatment case 8 and water source, be provided with the second water pump on the pipeline between water treatment case and thoughtlessly join in marriage the jar. Under the pressure action of the first water pump, surface water quickly enters the cyclone desander from the tangential liquid inlet 12, and under the action of centrifugal force and gravity, large-particle mineral substances such as silt contained in the water body can be peeled off from the water and attached to the inner wall of the cyclone desander, slide down along the inner wall and are discharged through the desanding port 13. A spiral conveyer is arranged in the spiral sand discharging device 14, and silt and the like are sent out by the spiral conveyer.
Further, the utility model discloses upper portion level in water treatment tank 8 is provided with filter screen 15, and wherein, water inlet and delivery port all are located filter screen 15's upper portion, and in the water entering water treatment tank 8 of preliminary sand discharging, filter through filter screen 15 once more.
Preferably, the utility model discloses be provided with the through-hole at filter screen 15's center, agitating unit includes agitator motor and (mixing) shaft 16, and (mixing) shaft 16 passes the through-hole and stretches into in the water treatment tank 8. The water quality modifier dosing device comprises a medicine box 18 and a delivery pipe 19, the delivery pipe 19 extends into the water treatment box 8, and a one-way valve 20 is arranged on the delivery pipe 19. The commonly used water quality modifier can be selected from an ethylene diamine tetraacetic acid compound, a sodium salt of nitrilotriacetic acid and the like, sodium citrate, sodium gluconate, sodium tartrate, sodium glycolate, polyphosphate and the like, and the water quality modifier is ionized after being dissolved in water to generate a molecular chain with electronegativity, and the molecular chain and Ca2+, Mg2+ and the like form a water-soluble complex or chelate, so that the solubility of inorganic salt is increased, and the adverse effect of calcium and magnesium ions on the gelling of biogel is eliminated.
Usually, the water quality improving agent is prepared by mixing a plurality of chelating agents, and in order to fully mix the water quality improving agent solution, the utility model is provided with a stirring blade 21 in the medicine box 18. Further, a liquid level sensor 22 is provided in the medicine box 18. An electric control cabinet is arranged in the carriage, and the liquid level sensor 22 monitors the liquid level in the medicine chest 18, so that quantitative medicine adding and medicine adding amount control can be realized.
Further, a PH adjusting device can be arranged in the water treatment tank 8 and used for adjusting the PH value of the water body.
The utility model discloses carry out purification treatment to the water before surface water mixes the disposition, adopt the sand removal device to go out the large granule silt impurity in the dewatering, adopt high-efficient cation chelator, make free calcium in shallow surface water, magnesium ion content descends, realized adopting shallow surface water to dispose fracturing fluid on the spot, saved the long distance and transported domestic water to the loaded down with trivial details link that the well site joined in marriage liquid, practice thrift the cost, usable liquid car of joining in marriage carries out the scene and joins in marriage liquid, single well operation preparation cycle is short, it is steady to supply liquid.
Claims (6)
1. A high-salinity fracturing matching system in northern Shaanxi region is characterized by comprising a liquid distribution vehicle, wherein the liquid distribution vehicle comprises a cab, a chassis and a carriage;
a mixing tank, an additive supply device, a water treatment device, a viscous material supply device and a liquid outlet system are arranged in the carriage, wherein the mixing tank is used for uniformly mixing the materials conveyed by the additive supply device, the water treatment device and the viscous material supply device and discharging the materials through the liquid outlet system;
the water treatment device comprises a desanding device, a water treatment tank, a stirring device and a water quality modifier dosing device, wherein the water treatment tank is provided with a water inlet and a water outlet, the water inlet is communicated with a water source through a pipeline, the water outlet is communicated with the blending tank through a pipeline, and the desanding device is arranged between the water treatment tank and the water source;
the desanding device comprises a cyclone desander, a liquid outlet is formed in the upper axial end of the cyclone desander, a tangential liquid inlet is formed in the upper portion of the cyclone desander, a desanding opening is formed in the bottom of the cyclone desander, and a spiral sand discharging device is arranged at the bottom of the desanding opening; a filter screen is horizontally arranged at the upper part in the water treatment tank, a through hole is formed in the center of the filter screen, the stirring device comprises a stirring motor and a stirring shaft, and the stirring shaft penetrates through the through hole and extends into the water treatment tank; the water quality modifier dosing device comprises a pesticide box and a delivery pipe, wherein the delivery pipe extends into the water treatment box, and a check valve is arranged on the delivery pipe.
2. The system of claim 1, wherein a first water pump is disposed on a pipeline between the water treatment tank and a water source, and a second water pump is disposed on a pipeline between the water treatment tank and the blending tank.
3. The high-salinity fracturing matching system in northern Shaanxi region as claimed in claim 1, wherein a stirring blade is arranged in the medicine chest.
4. The high-salinity fracturing matching system in northern Shaanxi region as claimed in claim 1, wherein a liquid level sensor is arranged in the medicine chest.
5. The system of claim 1, wherein an electric control cabinet is disposed in the carriage.
6. The system of claim 1, wherein a PH adjusting device is disposed in the water treatment tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840167.XU CN212334857U (en) | 2020-05-19 | 2020-05-19 | High-salinity fracturing matching system in northern Shaanxi region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020840167.XU CN212334857U (en) | 2020-05-19 | 2020-05-19 | High-salinity fracturing matching system in northern Shaanxi region |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212334857U true CN212334857U (en) | 2021-01-12 |
Family
ID=74083707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020840167.XU Active CN212334857U (en) | 2020-05-19 | 2020-05-19 | High-salinity fracturing matching system in northern Shaanxi region |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212334857U (en) |
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2020
- 2020-05-19 CN CN202020840167.XU patent/CN212334857U/en active Active
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Denomination of utility model: A high mineralization fracturing supporting system in northern Shaanxi region Granted publication date: 20210112 Pledgee: Guangrao County sub branch of Postal Savings Bank of China Ltd. Pledgor: SHANDONG DEKUN INDUSTRY AND TRADE CO.,LTD. Registration number: Y2024980001644 |