CN113914834A - Oil nozzle for oil extraction and gas production in oil field - Google Patents
Oil nozzle for oil extraction and gas production in oil field Download PDFInfo
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- CN113914834A CN113914834A CN202111345601.2A CN202111345601A CN113914834A CN 113914834 A CN113914834 A CN 113914834A CN 202111345601 A CN202111345601 A CN 202111345601A CN 113914834 A CN113914834 A CN 113914834A
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- nozzle
- gas production
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- 229910010271 silicon carbide Inorganic materials 0.000 claims description 4
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 claims description 4
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- 229910052580 B4C Inorganic materials 0.000 claims description 2
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- 239000010453 quartz Substances 0.000 claims description 2
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Classifications
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- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
Abstract
The invention discloses an oil nozzle for oil extraction and gas production in an oil field, which comprises an oil nozzle shell sleeve and a core body, wherein the oil nozzle shell sleeve comprises an oil nozzle rod and an oil nozzle head with a flange bolt, a section of external thread is arranged on the oil nozzle rod close to a flange plate, a through hole with steps is arranged in the oil nozzle shell sleeve along the axial line, an oil passing hole is arranged below the steps, the cross section of the oil passing hole is circular, a core body cavity is arranged above the steps and is positioned on one side of the oil nozzle head, the core body is sequentially arranged in the core body cavity close to the steps, at least one core body is arranged, the core body is made of superhard material or superhard material-ceramic composite material, an oil spraying hole is arranged on the axial line of the core body, and the diameter of the oil spraying hole is smaller than that of the oil passing hole. The invention utilizes the excellent wear-resisting property of the superhard material or the superhard material-ceramic composite material to greatly prolong the service life of the oil nozzle, effectively reduce the replacement times of the oil nozzle, be beneficial to safe production and ensure that the development of the oil-gas well is more reasonable.
Description
Technical Field
The invention relates to the technical field of oil nozzles, in particular to an oil nozzle for oil extraction and gas production in an oil field.
Background
The oil and gas well in the early exploitation stage of the oil and gas field is an oil well which completely depends on the natural energy of an oil layer to produce oil and gas to the ground. When the original oil-gas layer is opened by drilling and well completion, because the pressure in the well is lower than the pressure in the oil layer, a pressure drop pointing to the direction of the well shaft is formed between the well shaft and the crude oil-gas layer, so that the original oil-gas can be driven into the well bottom, and the original oil-gas can be lifted to the ground from the well bottom.
The surface part of the oil and gas well is a Christmas tree which is used for controlling and regulating fluid in the well, realizing the running of a tool instrument in the well and the like. The Christmas tree consists of a large gate, a small gate, a tee joint, a cross joint and the like.
The oil nozzle is one of the most important accessories on the oil extraction tree, controls the oil extraction gas quantity when extracting oil gas, is used for controlling the flow of an oil gas well, has the functions of limiting the flow and adjusting the oil pressure, and controls the flow of the oil gas well through the oil nozzle, so that the crude oil gas existing in the oil field can be reasonably developed in the oil gas extraction process of the oil field.
At present, the glib talker adopts the steel part to make usually, for example china that bulletin number is CN209228346U specially does benefit to 2019 8 months 9 and discloses a multi-functional glib talker for oil recovery, relates to multi-functional glib talker technical field, this multi-functional glib talker for oil recovery in oil field, including the glib talker body, the cavity has been seted up to the inside of glib talker body, the circular slot has been seted up to the bottom of cavity inner wall, the through-hole has been seted up to the side of cavity inner wall, the inner wall of cavity and the surface swing joint of square, first thread groove has been seted up at the top of square, the inner wall of first thread groove and the surface swing joint of lead screw, the top of lead screw and the bottom fixed connection of movable rod, the top of movable rod runs through the glib talker body and extends to the top of glib body. The oil nozzle is characterized in that the oil nozzle is arranged in the oil-gas well, the oil-gas outlet is communicated with the oil-gas well, and the oil-gas outlet is communicated with the oil-gas well.
Disclosure of Invention
In order to solve the problems, the invention provides the oil nozzle for oil extraction and gas production in the oil field, the outer casing of the oil nozzle is made of metal, the inner core body is made of superhard material or superhard material-ceramic composite material, and the service life of the oil nozzle is greatly prolonged by utilizing the excellent wear resistance of the superhard material or the superhard material-ceramic composite material, so that the replacement frequency of the oil nozzle can be effectively reduced, the oil nozzle is beneficial to safe production, and the development of an oil-gas well is more reasonable.
In order to achieve the purpose, the invention provides the following technical scheme:
the oil nozzle for oil extraction and gas production in the oil field comprises an oil nozzle shell sleeve and a core body, wherein the oil nozzle shell sleeve is shaped like a flange bolt and comprises an oil nozzle rod and an oil nozzle head with the flange bolt, a section of mantle fiber is arranged on the oil nozzle rod close to a flange plate, a through hole with steps is arranged in the oil nozzle shell sleeve along the axis, an oil passing hole is arranged below the steps, the cross section of the oil passing hole is circular, a core body cavity is arranged above the steps, the cross section of the core body cavity is not limited to circular, the core body cavity is positioned on one side of the oil nozzle head, the core body is sequentially arranged in the core body cavity close to the steps, at least one core body is arranged, the core body is made of superhard materials or superhard materials-ceramic composite materials, an oil injection hole is arranged on the axis of the core body, and the diameter of the oil injection hole is smaller than that of the oil passing hole.
Furthermore, the inside and the outside of the core body can be chamfered, so that the assembly is convenient, and the angle and the size of the inner chamfer and the size of the outer chamfer can be different.
Further, the core may be disposed within the core cavity in a manner including, but not limited to, loose fit, interference fit, threaded fit, adhesive attachment, welded attachment, and retainer ring retention.
Further, if there are two or more cores, the interfacial pattern between the cores includes, but is not limited to, flat, tapered, conical mesa, concentric rings, spiral, triangular grooves, rectangular grooves, trapezoidal grooves, and cross grooves.
Further, the superhard material includes diamond material and CBN material in a broad sense.
Preferably, the diamond material comprises natural diamond, artificial diamond single crystal, diamond thick film and diamond polycrystal, and also comprises a diamond polycrystal composite sheet containing hard alloy as a matrix.
Preferably, the polycrystalline diamond compact comprises a diamond compact and a diamond wire-drawing die.
Preferably, the diamond compact comprises a cobalt-removed diamond compact and a cobalt-removed diamond wire-drawing die.
Preferably, the CBN material includes CBN polycrystals and CBN compacts.
Further, the superhard material-ceramic composite material comprises a core material made of the superhard material and a substrate made of a ceramic material, wherein the core material is arranged at one end or two ends of the substrate or penetrates through the substrate.
Further, the ceramic material comprises a ceramic material taking titanium carbide, silicon carbide, aluminum nitride, zirconium oxide, aluminum oxide, quartz and boron carbide as main components or components, a common ceramic material, and a ceramic material taking gallium arsenide, titanium carbide, hexagonal boron nitride, silicon nitride and cubic boron nitride as main components or components.
Compared with the prior art, the invention has the following advantages:
1. the oil nozzle for oil extraction and gas production in the oil field is made of the superhard material or the core made of the superhard material-ceramic composite material, and the oil injection hole is made of the superhard material, so that the oil nozzle has high hardness, high wear resistance and high erosion resistance, and is far higher in wear resistance than the oil injection hole made of the existing ceramic or metal, therefore, in the actual oil extraction process, the aperture of the oil injection hole can be kept unchanged for a long time, and the service life of the oil nozzle is more than 10 times longer than that of the existing nozzle.
2. The oil nozzle for oil extraction and gas production in the oil field is made of the superhard material or the superhard material-ceramic composite material, has high hardness, and can keep stable performance for a long time under the pressure of 35MPa of the highest specification of an oil well of the oil-gas field or the experimental pressure of 70 MPa.
3. The oil nozzle for oil extraction and gas production in the oil field has the advantages that the superhard material not only has high wear resistance, but also has excellent thermal conductivity and chemical stability, so that the oil nozzle not only can be matched with a non-heat-preservation oil nozzle sleeve, but also can be matched with a heat-preservation oil nozzle sleeve.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic cross-sectional view of a core of superhard material according to the invention.
Fig. 3 is a schematic cross-sectional view of a core made of a superhard material-ceramic composite material according to the present invention.
Fig. 4 is a schematic diagram of an application structure of the present invention.
In the figure: 1-oil nozzle outer shell, 11-oil nozzle rod, 12-oil nozzle head, 13-external thread, 14-oil passing hole, 15-step, 16-core body cavity, 2-core body, 21-oil spraying hole, 22-core body and 23-base material.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and fig. 3, a nozzle tip for oil extraction and gas production in an oil field comprises a nozzle tip housing sleeve 1 and a core body 2, wherein the nozzle tip housing sleeve 1 is shaped like a flange bolt and is made of 304 stainless steel, the total length is 105mm, the nozzle tip housing sleeve comprises a nozzle tip rod 11 and a nozzle tip 12 with the flange bolt, the diameter of the nozzle tip rod 11 is 20mm, a section of outer thread 13 is arranged on the nozzle tip rod 11 close to a flange, the length of the outer thread is 20mm, the outer thread conforms to the specification of GB/T196, a through hole with a step 15 is arranged in the nozzle tip housing sleeve 1 along the axial line, an oil passing hole 14 is arranged below the step 15, the cross section of the through hole is circular, the diameter of the oil passing hole is 8mm, a core body cavity 16 is arranged above the step 15, the cross section of the core body cavity 16 is circular, the diameter of the core body cavity is 12mm, the core body cavity 16 is arranged on one side of the nozzle tip 12, the core body 2 is arranged in the core body cavity 16 by the interference fit against the step 15, the core body 2 is a cylinder body, the diameter is 12.05-12.1mm, the length is 50mm, and the core body is made of superhard material-ceramic composite material, wherein the superhard material core material 22 is a diamond composite sheet, the thickness of the diamond layer on the diamond composite sheet is 4mm, the diamond composite sheet is chamfered inside and outside, the size of the chamfer is 0.2 multiplied by 45 degrees, the substrate 23 is silicon carbide ceramic, the chamfer is also chamfered inside and outside, the size of the outer chamfer is 1 multiplied by 30 degrees, the size of the inner chamfer is 0.5 multiplied by 35 degrees, the superhard material core material 22 is embedded at one end of the silicon carbide ceramic substrate 23, an oil spray hole 21 is arranged on the axis of the core body 2, and the diameter of the oil spray hole 21 is 4 mm.
Example two:
an oil nozzle for oil extraction and gas production in an oil field comprises an oil nozzle outer shell sleeve 1 and a core body 2, wherein the oil nozzle outer shell sleeve 1 is made of 304 stainless steel and has a total length of 105mm, the oil nozzle outer shell sleeve comprises an oil nozzle rod 11 and an oil nozzle head 12 with a flange bolt, the diameter of the oil nozzle rod 11 is 20mm, the oil nozzle rod 11 is provided with a section of external thread 13 close to a flange plate, the length of the external thread is 20mm, the external thread conforms to the GB/T196 specification, a through hole with a step 15 is arranged in the oil nozzle outer shell sleeve 1 along the axis, an oil through hole 14 is arranged below the step 15, the cross section of the oil through hole is circular, the diameter of the oil through hole is 5mm, a core body cavity 16 is arranged above the step 15, the cross section of the core body cavity 16 is square, the side length of the core body cavity is 10mm, the core body cavity 16 is positioned on one side of the oil nozzle head 12, the core body 2 is loosely matched with the step 15 in the core body cavity 16, one core body 2 is a square column body, as shown in fig. 2, the side length of the cross section is 9.8mm, the length is 30mm, the cross section is made of polycrystalline diamond, the polycrystalline diamond contains diamond with mixed granularity, an oil spray hole 21 is arranged on the axis of the core body 2, and the diameter of the oil spray hole 21 is 2 mm.
Example three:
the oil nozzle for oil extraction and gas production in the oil field comprises an oil nozzle outer shell sleeve 1 and a core body 2, wherein the oil nozzle outer shell sleeve 1 is made of carbon manganese steel and has a total length of 105mm like a flange bolt, the oil nozzle outer shell sleeve comprises an oil nozzle rod 11 and an oil nozzle head 12 with the flange bolt, the diameter of the oil nozzle rod 11 is 20mm, the oil nozzle rod 11 is provided with a section of external thread 13 close to a flange plate, the length of the external thread is 20mm, the external thread accords with GB/T196 regulations, a through hole with a step 15 is arranged in the oil nozzle outer shell sleeve 1 along the axis, an oil through hole 14 is arranged below the step 15, the cross section of the oil through hole is circular, the diameter of the oil through hole is 8mm, a core body cavity 16 is arranged above the step 15, the cross section of the core body cavity 16 is circular, the diameter of the core body cavity is 12mm, the core body cavity 16 is positioned on one side of the oil nozzle head 12, the core body 2 is arranged in the core body cavity 16 by the interference fit with the step 15, one core body 2, the core body is a cylinder, the diameter of the core body is 12.05-12.1mm, the length of the core body is 50mm, the core body is made of superhard material-ceramic composite materials, an superhard material core material 22 is a diamond composite sheet, the thickness of a diamond layer on the diamond composite sheet is 4mm, a base material 23 is hexagonal boron nitride ceramic, the superhard material core material 22 is embedded at two ends of the hexagonal boron nitride ceramic base material 23, an oil spray hole 21 is arranged on the axis of the core body 2, and the diameter of the oil spray hole 21 is 4 mm.
Example four:
an oil nozzle for oil extraction and gas production in an oil field comprises an oil nozzle outer shell sleeve 1 and a core body 2, wherein the oil nozzle outer shell sleeve 1 is made of high-strength carbon steel and has a total length of 105mm, the oil nozzle outer shell sleeve comprises an oil nozzle rod 11 and an oil nozzle head 12 with a flange bolt, the diameter of the oil nozzle rod 11 is 20mm, the oil nozzle rod 11 is provided with a section of external thread 13 close to a flange plate, the length of the external thread is 20mm, the external thread conforms to GB/T196 regulations, a through hole with a step 15 is arranged in the oil nozzle outer shell sleeve 1 along the axial line, an oil through hole 14 is arranged below the step 15, the cross section of the oil through hole is circular, the diameter of the oil through hole is 10mm, a core body cavity 16 is arranged above the step 15, the cross section of the core body cavity 16 is regular hexagon and has a side length of 7mm, the core body cavity 16 is positioned on one side of the oil nozzle head 12, the core body 2 is adhered and fixed in the core body cavity 16 by the step 15, the core body cavity 16, the core body 2 is sequentially provided with 3 core bodies, the diamond wire drawing die is a regular hexagon cylinder, the side length is 6.9mm, the thickness is 10mm, the diamond wire drawing die is made of a diamond wire drawing die, the cross section between the diamond wire drawing die and the diamond wire drawing die is a cross groove, the diamond wire drawing die and the diamond wire drawing die are matched with each other, an oil injection hole 21 is arranged on the axis of the core body 2, and the diameter of the oil injection hole 21 is 6 mm.
Example five:
an oil nozzle for oil extraction and gas production in an oil field comprises an oil nozzle shell sleeve 1 and a core body 2, wherein the oil nozzle shell sleeve 1 is made of 304 stainless steel and has a total length of 105mm, the oil nozzle shell sleeve comprises an oil nozzle rod 11 and an oil nozzle head 12 with a flange bolt, the diameter of the oil nozzle rod 11 is 20mm, the outer thread of the oil nozzle rod meets the GB/T196 specification, the oil nozzle rod 11 is provided with a section of outer thread 13 close to a flange plate and has a length of 20mm, a through hole with a step 15 is arranged in the oil nozzle shell sleeve 1 along the axial line, an oil through hole 14 is arranged below the step 15, the cross section of the oil through hole is circular, the diameter of the oil through hole is 5mm, a core body cavity 16 is arranged above the step 15, the cross section of the core body cavity 16 is circular, the diameter of the core body cavity is 8mm, the core body cavity 16 is positioned on one side of the oil nozzle head 12, the core body 2 is fixed by the step 15 in a braze welding way, the core body 2 has 1, and is an artificial diamond six-octahedron large single crystal, the particle size is 7.6mm, be provided with nozzle 21 on the axis of core 2, nozzle 21's diameter is 1.5mm, and the both sides chamfer of nozzle 21, chamfer size are 0.2 x 45.
Example six:
the utility model provides an oil extraction of oil field is glib talker for gas production, includes glib shell cover 1 and core 2, glib shell cover 1 shape is made like the flange bolt with 304 stainless steel, and total length is 105mm, including glib pole 11 and the glib head 12 of flanged bolt, the diameter of glib pole 11 is 20mm, glib pole 11 sets up one section mantle 13 being close to the ring flange play, and length is 20mm, and its mantle accords with GB/T196 regulation, be provided with the through-hole of taking step 15 along the axis in the glib shell cover 1, be oil through hole 14 below the step 15, its cross section is circular, crosses oil hole 14 diameter 5mm, is core cavity 16 above step 15, be provided with the internal thread in the core cavity 16, the cross section of core cavity 26 is circular, and the diameter is 12mm, core cavity 16 is located glib head 12 one side, core 2 leans on step 15 screw thread cooperation setting in core cavity 16, namely, one of the core bodies 2 is a cylindrical body and is provided with an outer wire matched with the inner wire in the core body cavity 16, the diameter is 12.05-12.1mm, the length is 20mm, the core body is made of a superhard material-ceramic composite material, the superhard material core 22 is a diamond thick film, the cutting is cylindrical, the diameter is 6mm, the thickness is 2mm, the base material 23 is titanium nitride ceramic, the outer chamfer angle is formed, the size of the outer chamfer angle is 1 multiplied by 30 degrees, the inner chamfer angle is not formed, the diamond thick film is stacked as the core material 22 and is brazed in the titanium nitride ceramic base material 23, the diamond thick film core material 22 is positioned on a central axis, an oil spray hole 21 is arranged on the axis of the core body 2, and the diameter of the oil spray hole 21 is 2 mm.
Example seven:
the utility model provides an oil extraction of oil field is glib talker for gas production, includes glib shell cover 1 and core 2, glib shell cover 1 shape is made like the flange bolt with the carbon manganese steel, and total length is 105mm, including glib head 12 of glib pole 11 and flanged bolt, the diameter of glib pole 11 is 20mm, glib pole 11 sets up one section mantle 13 being close to the ring flange play, and length is 20mm, and its mantle accords with GB/T196 regulation, be provided with the through-hole of taking step 15 along the axis in the glib shell cover 1, be oil passing hole 14 below the step 15, its cross section is circular, passes oil hole 14 diameter 8mm, is core cavity 16 above step 15, the cross section of core cavity 16 is circular shape, and the diameter is 12mm, core cavity 16 is located glib head 12 one side, core 2 leans on step 15 interference fit setting in core cavity 16, core 2 has 2, the core body is a cylinder body, the diameter of the cylinder body is 12.05-12.1mm, the length of the cylinder body is 20mm, the cylinder body is made of super-hard materials, CNB polycrystalline is stacked together, CBN polycrystalline is in plane combination, CBN grains are used as main binders for the CBN polycrystalline of aluminum, an oil spray hole 21 is arranged on the axis of the core body 2, and the diameter of the oil spray hole 21 is 4 mm.
The nozzle of the embodiment is used for a Christmas tree of an oil-gas field oil-gas well and is installed in a non-heating nozzle sleeve, as shown in figure 4, the installation mode is that the screw plug is unscrewed by a wrench, then the nozzle is conveyed into the nozzle sleeve by a special wrench for the nozzle and is screwed, then the screw plug is screwed, when the nozzle is disassembled, the process is consistent with the installation process, and in the disassembly and assembly process, a relevant valve of the Christmas tree is closed, and the nozzle can also be installed in the heating nozzle sleeve.
In the above embodiment, the core body made of the superhard material-ceramic composite material is adopted, when the superhard material core material is positioned at one end or two ends of the ceramic material substrate, the oil spray hole is the diameter of the ceramic material substrate section which can be larger than or equal to the diameter of the superhard material core material section, and the abrasive resistance of the ceramic material is far smaller than that of the superhard material, so that even if the diameter of the oil spray hole in the ceramic material substrate section is equal to that of the superhard material core material section, after the oil spray hole is used for a period of time in an oil and gas well, the diameter of the section after abrasion is larger than that of the superhard material core material section. Because the diameter of superhard materials core material section nozzle opening is used for adjusting oil gas flow, consequently, the use of nozzle tip is not influenced to whether the nozzle opening diameter of ceramic materials base material section equals with the diameter of superhard materials core material section.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent substitutions made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides an oil field oil recovery is glib for gas production which characterized in that: the oil nozzle comprises an oil nozzle shell sleeve (1) and a core body (2), wherein the oil nozzle shell sleeve (1) is in a flange bolt shape and comprises an oil nozzle rod (11) and an oil nozzle head (12) with the flange bolt, a section of external thread (13) is arranged on the oil nozzle rod (11) close to a flange plate, a through hole with a step (15) is arranged in the oil nozzle shell sleeve (1) along the axis, an oil passing hole (14) is formed below the step, the cross section of the oil passing hole is circular, a core body cavity (16) is formed above the step, the cross section of the core body cavity (16) is not limited to be circular, the core body cavity (16) is positioned on one side of the oil nozzle head (12), the core body (2) is sequentially arranged in the core body cavity (16) against the step (15), at least one core body (2) is arranged, the core body (2) is made of superhard material or superhard material-ceramic composite material, and an oil spraying hole (21) is formed in the axis of the core body (2), the diameter of the oil injection hole (21) is smaller than that of the oil passing hole (14).
2. The oil nozzle for oil and gas production in the oil field according to claim 1, wherein: the core body (2) can be chamfered inside and outside, and the angle and the size of the inner chamfer and the outer chamfer can be different.
3. The oil nozzle for oil and gas production in the oil field according to claim 1, wherein: the core (2) is disposed within the core cavity (16) in a manner including, but not limited to, loose fit, interference fit, threaded fit, adhesively secured, welded secured, and retained.
4. The oil nozzle for oil and gas production in the oil field according to claim 1, wherein: if there are two or more cores (2), the interfacial surfaces of the cores (2) may be in the form of, but are not limited to, flat surfaces, tapered mesas, concentric rings, spirals, triangular grooves, rectangular grooves, trapezoidal grooves, and cross grooves.
5. The oil nozzle for oil and gas production in the oil field according to claim 1, wherein: the superhard material includes diamond material and CBN material in a broad sense.
6. The oil nozzle for oil and gas production in the oil field according to claim 5, wherein: the diamond material comprises natural diamond, artificial diamond single crystal, diamond thick film and diamond polycrystal, and also comprises a diamond polycrystal composite sheet taking hard alloy as a substrate.
7. The oil nozzle for oil and gas production in the oil field according to claim 6, wherein: the polycrystalline diamond compact comprises a polycrystalline diamond compact and a diamond wire drawing die.
8. The oil nozzle for oil and gas production in the oil field according to claim 1, wherein: the CBN material includes CBN polycrystals and CBN compacts.
9. The oil nozzle for oil and gas production in the oil field according to claim 1, wherein: the superhard material-ceramic composite material comprises a core material (22) made of a superhard material and a base material (23) made of a ceramic material, wherein the core material (22) is arranged at one end or two ends of the base material (23) or penetrates through the base material.
10. The oil nozzle for oil and gas production in the oil field according to claim 9, wherein: the ceramic material comprises a ceramic material taking titanium carbide, silicon carbide, aluminum nitride, zirconium oxide, aluminum oxide, quartz and boron carbide as main components or components, a common ceramic material, and a ceramic material taking gallium arsenide, titanium carbide, hexagonal boron nitride, silicon nitride and cubic boron nitride as main components or components.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345601.2A CN113914834A (en) | 2021-11-15 | 2021-11-15 | Oil nozzle for oil extraction and gas production in oil field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111345601.2A CN113914834A (en) | 2021-11-15 | 2021-11-15 | Oil nozzle for oil extraction and gas production in oil field |
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| Publication Number | Publication Date |
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| CN113914834A true CN113914834A (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111345601.2A Pending CN113914834A (en) | 2021-11-15 | 2021-11-15 | Oil nozzle for oil extraction and gas production in oil field |
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| CN213743363U (en) * | 2020-10-10 | 2021-07-20 | 克拉玛依市三达有限责任公司 | Oil nozzle |
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2021
- 2021-11-15 CN CN202111345601.2A patent/CN113914834A/en active Pending
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|---|---|---|---|---|
| EP0520567A1 (en) * | 1991-06-24 | 1992-12-30 | NORSK HYDRO a.s. | Erosion resistant valve |
| CN205243481U (en) * | 2015-12-01 | 2016-05-18 | 福建新达阀门有限公司 | Pottery porcelain core sand control is glib |
| CN205765676U (en) * | 2016-06-29 | 2016-12-07 | 青岛四砂泰益超硬研磨股份有限公司 | Mill oil pump nozzle controls piston ladder cylindrical cubic boron nitride abrasive wheel |
| US20190032792A1 (en) * | 2017-07-31 | 2019-01-31 | Cameron International Corporation | Needle tip and seat for a choke valve |
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| 魏鑫: "笼套式节流阀阀芯失效机理分析与改进研究", 《中国优秀硕士学位论文全文数据库工程科技Ⅰ辑》, no. 08, 15 August 2015 (2015-08-15), pages 019 - 447 * |
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