CN116478679A - Propping agent and preparation method thereof - Google Patents
Propping agent and preparation method thereof Download PDFInfo
- Publication number
- CN116478679A CN116478679A CN202310445914.8A CN202310445914A CN116478679A CN 116478679 A CN116478679 A CN 116478679A CN 202310445914 A CN202310445914 A CN 202310445914A CN 116478679 A CN116478679 A CN 116478679A
- Authority
- CN
- China
- Prior art keywords
- powder
- hollow ellipsoid
- zro
- propping agent
- proppant
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 82
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000000919 ceramic Substances 0.000 claims abstract description 28
- 239000007787 solid Substances 0.000 claims abstract description 15
- 239000002994 raw material Substances 0.000 claims abstract description 7
- 239000002245 particle Substances 0.000 claims description 29
- 238000007639 printing Methods 0.000 claims description 21
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 238000003892 spreading Methods 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 238000001035 drying Methods 0.000 claims description 9
- 238000010146 3D printing Methods 0.000 claims description 7
- 229910052786 argon Inorganic materials 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 238000013499 data model Methods 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 241000764238 Isis Species 0.000 claims 1
- 238000000643 oven drying Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000486661 Ceramica Species 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000009420 retrofitting Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
- C04B35/111—Fine ceramics
- C04B35/117—Composites
- C04B35/119—Composites with zirconium oxide
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- 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
- C09K8/60—Compositions for stimulating production by acting on the underground formation
- C09K8/80—Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/11—File system administration, e.g. details of archiving or snapshots
- G06F16/116—Details of conversion of file system types or formats
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
- C04B2235/3225—Yttrium oxide or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
- C04B2235/5436—Particle size related information expressed by the size of the particles or aggregates thereof micrometer sized, i.e. from 1 to 100 micron
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
- C04B2235/665—Local sintering, e.g. laser sintering
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Theoretical Computer Science (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses a propping agent and a preparation method thereof, wherein the propping agent comprises a hollow ellipsoid A (1), a hollow ellipsoid B (2), a hollow ellipsoid C (3), a hollow ellipsoid D (4) and a ceramic solid part (5); wherein the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) take a central shaft (6) as a rotational symmetry axis in the proppant, the spherical center (7) is rotationally symmetric at 90 DEG, the long radius a is 96-422 mu m, the short radius B is 64-212 mu m, and the short half is distributedThe diameter c is 64-212 mu m, wherein the relation among the long radius a, the short radius b and the short radius c is a>b is larger than or equal to c, and the long radius a is parallel to the central shaft (6); the ceramic solid part (5) comprises the following raw material components in proportion: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5 to 41.5 weight percent; the invention can realize the purpose that the density of the propping agent can be designed according to the requirement by controlling the size of the hollow ellipsoid.
Description
Technical Field
The invention belongs to the technical field of propping agents for oilfield fracturing, and particularly relates to a propping agent and a preparation method thereof.
Background
Traditional high strength artificial proppants have a relatively high density and are used in deep high temperature, high closure pressure reservoirs. Propping agent with higher density is easy to abrade fracturing equipment, and has high sedimentation speed in low-viscosity fracturing fluid, so that the propping agent cannot be transported to the far end of a crack, and sand blocking phenomenon is easy to occur to reduce the flow guiding rate of the crack; the high-viscosity fracturing fluid can slow down the sedimentation velocity of the propping agent, but the high-viscosity fracturing fluid not only can increase the energy consumption in the fracturing operation, but also can cause serious corrosion to pumps, equipment pipelines, pipe columns and the like, and damage to oil and gas reservoirs. Thus, the greater the density of the proppant, the higher the cost of the fracturing construction and the poorer the reservoir retrofitting effect.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a propping agent and a preparation method thereof, and solves the problems that the traditional propping agent has poor suspension capability in low-viscosity fracturing fluid, high sedimentation speed, incapability of transporting the propping agent to the far end of a crack and the like due to high density.
In order to solve the technical problems, the technical scheme of the invention is as follows: a propping agent comprises a hollow ellipsoid A, a hollow ellipsoid B, a hollow ellipsoid C, a hollow ellipsoid D and a ceramicA porcelain solid portion; wherein the hollow ellipsoid A, the hollow ellipsoid B, the hollow ellipsoid C, the hollow ellipsoid D and the ceramic solid part are rotationally symmetrically distributed in the proppant by taking the central axis as a rotational symmetry axis, the spherical center is the rotational symmetry center and is 90 degrees, the long radius a is 96-422 mu m, the short radius B is 64-212 mu m and the short radius C is 64-212 mu m, wherein the relation among the long radius a, the short radius B and the short radius C is a>b is larger than or equal to c, and the long radius a is parallel to the central axis; the ceramic solid part comprises the following raw material components in percentage by weight: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5 to 41.5 weight percent; the volume density of the propping agent is 1.1-1.6 g/cm 3 36-56% of hollow rate, 0.8-0.9 of sphericity, 0.8-0.95 of roundness and 5-10% of crushing rate under the closing pressure of 69 MPa.
Preferably, the volumes of the hollow ellipsoids A, B, C and D are 3.6X10 6 μm 3 ～4.5×10 7 μm 3 The ratio of the sum of the volumes to the total volume of the proppants is 36-56%.
Preferably, the ceramic solid portion comprises the following raw material components in proportion: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5-41.5 wt%.
Preferably, the ZrO 2 In the powder, Y 2 O 3 The content is 5-6wt%.
Preferably, the Al 2 O 3 The grain diameter of the powder is 1-5 mu m; the ZrO 2 The particle size of the powder is 1-8 mu m.
Preferably, the particle size specification of the propping agent is 20-40 meshes, and the apparent density is 2.5g/cm 3 The volume density is 1.1-1.6 g/cm 3 The sphericity is 0.8-0.9, the roundness is 0.8-0.95, and the breaking rate is 5-10% under the closing pressure of 69 MPa.
Preferably, a method for preparing the propping agent according to any one of the above comprises the following steps:
step 1: establishing a three-dimensional model of the propping agent, and converting the data model into an STL format file;
step 2: layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program;
step 3: al is added with 2 O 3 Powder and ZrO 2 Mixing the powder, and drying at 120-200deg.C for 2-3 hr to obtain Al 2 O 3 -ZrO 2 Ceramic powder;
step 4: al is added with 2 O 3 -ZrO 2 Filling ceramic powder into a powder pool of a 3D printing device, sealing a cavity door of printing equipment, vacuumizing, introducing argon to ensure that the oxygen content in a forming bin is 0.1-0.6%, and setting a substrate preheating temperature;
step 5: printing a control panel of the related process parameter input equipment to obtain the target ceramsite proppant.
Preferably, the preheating temperature of the substrate in the step 4 is 1650-1800 ℃.
Preferably, the relevant process parameters in the step 5 are laser power, scanning speed, powder spreading layer thickness, scanning interval and laser scanning mode.
Preferably, the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, and the laser scanning mode is linear raster scanning.
Compared with the prior art, the invention has the advantages that:
(1) The propping agent comprises two parts, namely a hollow ellipsoid part and a ceramic solid part, wherein the hollow ellipsoids are four in total and are rotationally symmetrical by taking a central shaft as a rotational symmetry axis, and the spherical centers are rotationally symmetrical by 90 degrees, so that the volume density of the propping agent can be controlled by controlling the volume of the hollow ellipsoids on the premise of ensuring the strength of the propping agent;
(2) Al for ceramic solid part separation of the invention 2 O 3 Powder and ZrO 2 The powder not only ensures considerable strength of the propping agent, but also has stable chemical properties and has the performances of salt resistance, high temperature resistance, corrosion resistance and the like;
(3) The volume density of the propping agent is 1.1-1.6g/cm 3 36-56% of hollow rate, 20-40 meshes of particle size specification, 0.8-0.9 of sphericity, 0.8-0.95 of roundness and 5-10% of crushing rate under the closing pressure of 69 MPa. The propping agent has low density, high strength, high roundness and low breaking rate, slows down the sedimentation speed of the propping agent in low-viscosity fracturing fluid and the abrasion of fracturing equipment in the fracturing process, improves the flow conductivity of cracks, reduces the fracturing construction cost, and can be widely applied to petroleum fracturing under various environmental conditions.
Drawings
FIG. 1 is a schematic structural view of a proppant of the present invention
Reference numerals illustrate:
(1), hollow ellipsoid A, (2), hollow ellipsoid B, (3), hollow ellipsoid C, (4), hollow ellipsoid D, (5), ceramic solid part, (6), central axis (7), sphere center.
Detailed Description
In order to better understand the technical solutions of the present disclosure, the present disclosure will be further described in detail with reference to specific examples, but the present disclosure is not limited to the following specific examples, and it should be noted that the structures, proportions, sizes, etc. illustrated in the present disclosure are merely used to cooperate with the disclosure of the disclosure, so that the disclosure is intended to be understood and read by a person skilled in the art, and not to limit the applicable limitations of the present disclosure, any modification of the structures, variation of the proportions, or adjustment of the sizes should fall within the scope of the present disclosure without affecting the efficacy and achievement of the present disclosure.
Example 1
As shown in fig. 1, the present invention discloses a proppant comprising a hollow ellipsoid a (1), a hollow ellipsoid B (2), a hollow ellipsoid C (3), a hollow ellipsoid D (4) and a ceramic solid portion (5); wherein the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) take a central shaft (6) as a rotational symmetry axis in the proppant, the spherical center (7) is rotationally symmetric at 90 DEG, the long radius a is 96-422 mu m, the short radius B is 64-212 mu m, and the short radius C is64-212 μm, wherein the relation of the long radius a, the short radius b and the short radius c is a>b is larger than or equal to c, and the long radius a is parallel to the central shaft (6); the ceramic solid part (5) comprises the following raw material components in proportion: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5 to 41.5 weight percent; the volume density of the propping agent is 1.1-1.6 g/cm 3 36-56% of hollow rate, 0.8-0.9 of sphericity, 0.8-0.95 of roundness and 5-10% of crushing rate under the closing pressure of 69 MPa.
Preferably, the volumes of the hollow ellipsoids A (1), B (2), C (3) and D (4) are 3.6X10 6 μm 3 ～4.5×10 7 μm 3 The ratio of the sum of the volumes to the total volume of the proppants is 36-56%.
Preferably, the ceramic solid part (5) comprises the following raw material components in proportion: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5-41.5 wt%.
Preferably, the ZrO 2 In the powder, Y 2 O 3 The content is 5-6wt%.
Preferably, the Al 2 O 3 The grain diameter of the powder is 1-5 mu m; the ZrO 2 The particle size of the powder is 1-8 mu m.
Preferably, the particle size specification of the propping agent is 20-40 meshes, and the apparent density is 2.5g/cm 3 The volume density is 1.1-1.6 g/cm 3 The sphericity is 0.8-0.9, the roundness is 0.8-0.95, and the breaking rate is 5-10% under the closing pressure of 69 MPa.
Preferably, a method for preparing the propping agent according to any one of the above comprises the following steps:
step 1: establishing a three-dimensional model of the propping agent, and converting the data model into an STL format file;
step 2: layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program;
step 3: al is added with 2 O 3 Powder and ZrO 2 Powder mixingUniformly placing into a drying oven, and drying at 120-200deg.C for 2-3 hr to obtain Al 2 O 3 -ZrO 2 Ceramic powder;
step 4: al is added with 2 O 3 -ZrO 2 Filling ceramic powder into a powder pool of a 3D printing device, sealing a cavity door of printing equipment, vacuumizing, introducing argon to ensure that the oxygen content in a forming bin is 0.1-0.6%, and setting a substrate preheating temperature;
step 5: printing a control panel of the related process parameter input equipment to obtain the target ceramsite proppant.
Preferably, the preheating temperature of the substrate in the step 4 is 1650-1800 ℃.
Preferably, the relevant process parameters in the step 5 are laser power, scanning speed, powder spreading layer thickness, scanning interval and laser scanning mode.
Preferably, the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, and the laser scanning mode is linear raster scanning.
Example 2
Step 1: establishing a three-dimensional model of the proppant: the particle size of the propping agent is 637 mu m, the particle size of the hollow ellipsoid A (1), the particle size of the hollow ellipsoid B (2), the particle size of the hollow ellipsoid C (3) and the particle size of the hollow ellipsoid D (4) are symmetrically distributed in a 90-degree rotation way by taking a central shaft (6) as a rotation symmetry axis in the propping agent, the spherical center (7) is the rotation symmetry center, the long radius a is 315 mu m, the short radius B of the hollow ellipsoid is 96 mu m, the short radius C of the hollow ellipsoid is 96 mu m, and the data model is converted into an STL format file;
step 2: and layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program.
Step 3: al with particle diameter of 1-5 mu m 2 O 3 Powder and ZrO with particle size of 1-8 μm 2 Mixing the powder, and drying at 120-200deg.C for 2-3 hr to obtain Al 2 O 3 -ZrO 2 Ceramic powder, wherein Al 2 O 3 The powder content was 64.5wt%, zrO 2 The powder content was 35.5wt%, zrO 2 The powder contains 6wt% of Y 2 O 3 ；
Step 4: al is added with 2 O 3 -ZrO 2 Ceramic powder is filled into a powder pool of a 3D printing device, a cavity door of printing equipment is sealed, argon is introduced after vacuumizing, so that the oxygen content in a forming bin is 0.1-0.6%, and the substrate preheating temperature of 1650-1800 ℃ is set
Step 5: setting relevant technological parameters on a control panel for printing, wherein the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, the laser scanning mode is linear raster scanning, and the target ceramsite proppant is obtained, and the particle size specification of the proppant is 20-30 meshes.
Example 3
Step 1: establishing a three-dimensional model of the proppant: the particle size of the propping agent is 637 mu m, the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) are symmetrically distributed in a 90-degree rotation way by taking a central shaft (6) as a rotation symmetry axis in the propping agent, the spherical center (7) is the rotation symmetry center, the long radius a is 179 mu m, the short radius B of the hollow ellipsoid is 159 mu m, the short radius C of the hollow ellipsoid is 159 mu m, and the data model is converted into an STL format file;
step 2: and layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program.
Step 3: al with particle diameter of 1-5 mu m 2 O 3 Powder and ZrO with particle size of 1-8 μm 2 Mixing the powder, and drying at 120-200deg.C for 2-3 hr to obtain Al 2 O 3 -ZrO 2 Ceramic powder, wherein Al 2 O 3 The powder content was 62.5% by weight, zrO 2 The powder content was 37.5wt%, zrO 2 The powder contains 6wt% of Y 2 O 3 ；
Step 4: al is added with 2 O 3 -ZrO 2 Ceramic powder is filled into a powder pool of a 3D printing device, a cavity door of printing equipment is sealed, argon is introduced after vacuumizing, so that the oxygen content in a forming bin is 0.1-0.6%, and the substrate preheating temperature of 1650-1800 ℃ is set
Step 5: setting relevant technological parameters on a control panel for printing, wherein the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, the laser scanning mode is linear raster scanning, and the target ceramsite proppant is obtained, and the particle size specification of the proppant is 20-30 meshes.
Example 4
Step 1: establishing a three-dimensional model of the proppant: the particle size of the propping agent is 850 mu m, the particle sizes of the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) are symmetrically distributed in a 90-degree rotation way by taking a central shaft (6) as a rotation symmetry axis in the propping agent, a spherical center (7) is the rotation symmetry center, a long radius a is 422 mu m, a short radius B of the hollow ellipsoid is 128 mu m, a short radius C of the hollow ellipsoid is 128 mu m, and a data model is converted into an STL format file;
step 2: and layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program.
Step 3: al with particle diameter of 1-5 mu m 2 O 3 Powder and ZrO with particle size of 1-8 μm 2 Mixing the powder, and drying at 120-200deg.C for 2-3 hr to obtain Al 2 O 3 -ZrO 2 Ceramic powder, wherein Al 2 O 3 The powder content was 64.5wt%, zrO 2 The powder content was 35.5wt%, zrO 2 The powder contains 6wt% of Y 2 O 3 ；
Step 4: al is added with 2 O 3 -ZrO 2 Ceramic powder is filled into a powder pool of a 3D printing device, a cavity door of printing equipment is sealed, argon is introduced after vacuumizing, so that the oxygen content in a forming bin is 0.1-0.6%, and the substrate preheating temperature of 1650-1800 ℃ is set
Step 5: setting relevant technological parameters on a control panel for printing, wherein the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, the laser scanning mode is linear raster scanning, and the target ceramsite proppant is obtained, and the particle size specification of the proppant is 30-40 meshes.
Example 5
Step 1: establishing a three-dimensional model of the proppant: the particle size of the propping agent is 850 mu m, the particle sizes of the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) are symmetrically distributed in a 90-degree rotation way by taking a central shaft (6) as a rotation symmetry axis in the propping agent, a sphere center (7) is the rotation symmetry center, the long radius a is 239 mu m, the short radius B of the hollow ellipsoid is 212 mu m, the short radius C of the hollow ellipsoid is 212 mu m, and a data model is converted into an STL format file;
step 2: and layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program.
Step 3: al with particle diameter of 1-5 mu m 2 O 3 Powder and ZrO with particle size of 1-8 μm 2 Mixing the powder, and drying at 120-200deg.C for 2-3 hr to obtain Al 2 O 3 -ZrO 2 Ceramic powder, wherein Al 2 O 3 The powder content was 62.5% by weight, zrO 2 The powder content was 37.5wt%, zrO 2 The powder contains 6wt% of Y 2 O 3 ；
Step 4: al is added with 2 O 3 -ZrO 2 Ceramic powder is filled into a powder pool of a 3D printing device, a cavity door of printing equipment is sealed, argon is introduced after vacuumizing, so that the oxygen content in a forming bin is 0.1-0.6%, and the substrate preheating temperature of 1650-1800 ℃ is set
Step 5: setting relevant technological parameters on a control panel for printing, wherein the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, the laser scanning mode is linear raster scanning, and the target ceramsite proppant is obtained, and the particle size specification of the proppant is 30-40 meshes.
Table 1 proppant performance parameters prepared in examples 2-5
As can be seen from the data in Table 1, the proppant prepared by the preparation method provided by the invention has a bulk density of 1.6g/cm or less 3 Apparent density of 2.5g/cm 3 Large roundness0.8 or more, 0.8 or more in sphericity, 6 or less in breaking rate under 69MPa pressure, and the proppant has the characteristics of low density, high roundness, high sphericity and high strength, and has a bulk density of 1.1g/cm 3 ～1.6g/cm 3 The abrasion to the fracturing equipment can be reduced, the energy consumption is reduced, and the diversion rate of the cracks is improved.
The foregoing description is only a preferred embodiment of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, without departing from the technical solution of the present invention, and any simple modification, equivalent variation and modification made to the foregoing embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (10)
1. A proppant characterized by: the propping agent comprises a hollow ellipsoid A (1), a hollow ellipsoid B (2), a hollow ellipsoid C (3), a hollow ellipsoid D (4) and a ceramic solid part (5); wherein the hollow ellipsoid A (1), the hollow ellipsoid B (2), the hollow ellipsoid C (3) and the hollow ellipsoid D (4) are rotationally symmetrical in the proppant by taking a central shaft (6) as a rotational symmetry axis, the spherical center (7) is rotationally symmetrical in 90 DEG, the long radius a is 96-422 mu m, the short radius B is 64-212 mu m and the short radius C is 64-212 mu m, wherein the relation among the long radius a, the short radius B and the short radius C is a>b is larger than or equal to c, and the long radius a is parallel to the central shaft (6); the ceramic solid part (5) comprises the following raw material components in proportion: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5 to 41.5 weight percent; the volume density of the propping agent is 1.1-1.6 g/cm 3 36-56% of hollow rate, 0.8-0.9 of sphericity, 0.8-0.95 of roundness and 5-10% of crushing rate under the closing pressure of 69 MPa.
2. A proppant according to claim 1 which isIs characterized in that: the volumes of the hollow ellipsoids A (1), B (2), C (3) and D (4) are 3.6X10 6 μm 3 ～4.5×10 7 μm 3 The ratio of the sum of the volumes to the total volume of the proppants is 36-56%.
3. A proppant according to claim 1, characterized in that: the ceramic solid part (5) comprises the following raw material components in proportion: al (Al) 2 O 3 The powder content is 58.5-64.5 wt%, zrO 2 The content of the powder is 35.5-41.5 wt%.
4. A proppant according to claim 3, characterized in that: the ZrO 2 In the powder, Y 2 O 3 The content is 5-6wt%.
5. A proppant according to claim 3, characterized in that: the Al is 2 O 3 The grain diameter of the powder is 1-5 mu m; the ZrO 2 The particle size of the powder is 1-8 mu m.
6. A proppant according to claim 1, characterized in that: the particle size specification of the propping agent is 20-40 meshes, and the apparent density is 2.5g/cm 3 The volume density is 1.1-1.6 g/cm 3 The sphericity is 0.8-0.9, the roundness is 0.8-0.95, and the breaking rate is 5-10% under the closing pressure of 69 MPa.
7. A method of preparing a proppant as set forth in claims 1-6 comprising the steps of:
step 1: establishing a three-dimensional model of the propping agent, and converting the data model into an STL format file;
step 2: layering the STL format file by using slicing software, and importing layering data into an SLM3D printing device manufacturing program;
step 3: al is added with 2 O 3 Powder and ZrO 2 Mixing the powder, and drying at 120-200deg.C in a drying ovenDrying for 2-3h to obtain Al 2 O 3 -ZrO 2 Ceramic powder;
step 4: al is added with 2 O 3 -ZrO 2 Filling ceramic powder into a powder pool of a 3D printing device, sealing a cavity door of printing equipment, vacuumizing, introducing argon to ensure that the oxygen content in a forming bin is 0.1-0.6%, and setting a substrate preheating temperature;
step 5: printing a control panel of the related process parameter input equipment to obtain the target ceramsite proppant.
8. The method for preparing the propping agent according to claim 7, wherein: the preheating temperature of the substrate in the step 4 is 1650-1800 ℃.
9. The method for preparing the propping agent according to claim 7, wherein: the related technological parameters in the step 5 are laser power, scanning speed, powder spreading layer thickness, scanning interval and laser scanning mode.
10. The method for preparing the propping agent according to claim 9, wherein: the laser power is 50-200W, the scanning speed is 50-100 mu m/s, the powder spreading layer thickness is 15-30 mu m, the scanning interval is 20-40 mu m, and the laser scanning mode is linear raster scanning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445914.8A CN116478679A (en) | 2023-04-24 | 2023-04-24 | Propping agent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310445914.8A CN116478679A (en) | 2023-04-24 | 2023-04-24 | Propping agent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116478679A true CN116478679A (en) | 2023-07-25 |
Family
ID=87220852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310445914.8A Pending CN116478679A (en) | 2023-04-24 | 2023-04-24 | Propping agent and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116478679A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02229758A (en) * | 1989-03-01 | 1990-09-12 | Toray Ind Inc | Al2o3-zro2 ceramics and production thereof |
| CN101417247A (en) * | 2007-10-26 | 2009-04-29 | 中国石油化工股份有限公司 | Porous propping agent combination and preparation method thereof |
| US20160122630A1 (en) * | 2014-10-31 | 2016-05-05 | Chevron U.S.A. Inc. | Proppants |
| CN106795062A (en) * | 2014-10-24 | 2017-05-31 | 哈里伯顿能源服务公司 | The method for manufacturing ceramic proppant |
| CN108315006A (en) * | 2017-01-17 | 2018-07-24 | 北京大学 | Bionics intelligent three-dimensional proppant and its application |
| CN109553435A (en) * | 2018-12-07 | 2019-04-02 | 徐州市万达石英有限公司 | A kind of preparation method of 3D printer quartz sand |
| US20200276755A1 (en) * | 2018-09-06 | 2020-09-03 | Xi'an Jiaotong University | Composite containing hollow ceramic spheres and preparation method of composite |
| US20230001483A1 (en) * | 2021-07-01 | 2023-01-05 | Saudi Arabian Oil Company | 3d printed proppants and methods of making and use thereof |
| WO2023283928A1 (en) * | 2021-07-16 | 2023-01-19 | 大连理工大学 | Self-supporting ellipsoidal cavity structure-based design and optimization method |
| WO2023019697A1 (en) * | 2021-08-17 | 2023-02-23 | 北京工业大学 | High-strength aluminum alloy powder for 3d printing and preparation method for high-strength aluminum alloy powder |
-
2023
- 2023-04-24 CN CN202310445914.8A patent/CN116478679A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02229758A (en) * | 1989-03-01 | 1990-09-12 | Toray Ind Inc | Al2o3-zro2 ceramics and production thereof |
| CN101417247A (en) * | 2007-10-26 | 2009-04-29 | 中国石油化工股份有限公司 | Porous propping agent combination and preparation method thereof |
| CN106795062A (en) * | 2014-10-24 | 2017-05-31 | 哈里伯顿能源服务公司 | The method for manufacturing ceramic proppant |
| US20160122630A1 (en) * | 2014-10-31 | 2016-05-05 | Chevron U.S.A. Inc. | Proppants |
| CN108315006A (en) * | 2017-01-17 | 2018-07-24 | 北京大学 | Bionics intelligent three-dimensional proppant and its application |
| US20200276755A1 (en) * | 2018-09-06 | 2020-09-03 | Xi'an Jiaotong University | Composite containing hollow ceramic spheres and preparation method of composite |
| CN109553435A (en) * | 2018-12-07 | 2019-04-02 | 徐州市万达石英有限公司 | A kind of preparation method of 3D printer quartz sand |
| US20230001483A1 (en) * | 2021-07-01 | 2023-01-05 | Saudi Arabian Oil Company | 3d printed proppants and methods of making and use thereof |
| WO2023283928A1 (en) * | 2021-07-16 | 2023-01-19 | 大连理工大学 | Self-supporting ellipsoidal cavity structure-based design and optimization method |
| WO2023019697A1 (en) * | 2021-08-17 | 2023-02-23 | 北京工业大学 | High-strength aluminum alloy powder for 3d printing and preparation method for high-strength aluminum alloy powder |
Non-Patent Citations (2)
| Title |
|---|
| 张辉;徐泓;万金秀;颜鲁婷;戴春爱;: "新型多孔氧化物球形粉末的雾化反应法制备", 真空与低温, no. 03, 15 September 2012 (2012-09-15), pages 134 - 141 * |
| 李报厚, 张登君, 张冠东, 唐清: "氧化钇和氧化铈稳定氧化锆空心球形陶瓷粉末的研制", 功能材料, no. 05, 25 October 1997 (1997-10-25), pages 518 - 521 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8012533B2 (en) | Composition and method for making a proppant | |
| CN101522856B (en) | A composition and method for making a proppant | |
| US8183186B2 (en) | Cement-based particulates and methods of use | |
| US10161236B2 (en) | Methods for fracturing subterranean formations | |
| AU2012229340B2 (en) | Proppant particles formed from slurry droplets and method of use | |
| CN106883838A (en) | A kind of vitreous china ball proppant of extremely-low density high intensity and preparation method thereof | |
| US20080179057A1 (en) | Well Treating Agents of Metallic Spheres and Methods of Using the Same | |
| WO2006084236A1 (en) | A composition and method for making a proppant | |
| US10196558B2 (en) | Particle coating process and compositions for ceramic proppant extrusion | |
| CN102485830A (en) | Profile control oil-displacement agent for core-shell type inorganic/organic polymer composite microballoon | |
| CN103496724B (en) | The preparation method of a kind of nano alumina sol and gel | |
| CN104479667B (en) | Intensity petroleum fracturing propping agent and preparation method thereof in a kind of low-density | |
| CN113046052B (en) | Ceramsite proppant and preparation method thereof | |
| CN101611114A (en) | Be used to improve the propping agent and the method for well produced quantity | |
| CN110668813A (en) | Preparation method of nano zirconia granulated powder | |
| Liao et al. | Lightweight proppants in unconventional oil and natural gas development: A review | |
| CN115627160A (en) | Petroleum fracturing propping agent and preparation method thereof | |
| CN105859272A (en) | Method for preparing negative expansion nano-ceramics LiAlSiO4 by low-temperature sintering | |
| US10513654B2 (en) | Methods of making proppant particles from slurry droplets and methods of use | |
| CN116478679A (en) | Propping agent and preparation method thereof | |
| CN112877054A (en) | Self-suspending proppant and preparation method thereof | |
| CN108315006B (en) | Bionic intelligent three-dimensional proppant and application thereof | |
| CN103194204A (en) | Proppant for hydraulic fracturing of coal bed gas and shale gas and preparation method thereof | |
| CN115141622B (en) | Preparation method of petroleum fracturing propping agent and petroleum fracturing propping agent | |
| CN103145134B (en) | A kind of preparation method of large-area crack-free silicon dioxide colloidal crystal film |
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 |