CN114904312A - Material of ground and underground high-performance drilling fluid filter screen and mesh arrangement optimization method - Google Patents
Material of ground and underground high-performance drilling fluid filter screen and mesh arrangement optimization method Download PDFInfo
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- CN114904312A CN114904312A CN202210550281.2A CN202210550281A CN114904312A CN 114904312 A CN114904312 A CN 114904312A CN 202210550281 A CN202210550281 A CN 202210550281A CN 114904312 A CN114904312 A CN 114904312A
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- 238000005553 drilling Methods 0.000 title claims abstract description 40
- 239000012530 fluid Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 title claims abstract description 13
- 238000005457 optimization Methods 0.000 title claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 35
- 239000010935 stainless steel Substances 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 62
- 239000010959 steel Substances 0.000 claims description 62
- 238000003466 welding Methods 0.000 claims description 19
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 18
- 238000001914 filtration Methods 0.000 claims description 10
- 229910052786 argon Inorganic materials 0.000 claims description 9
- 229910052804 chromium Inorganic materials 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 9
- 229910052750 molybdenum Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000005261 decarburization Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 3
- 238000005098 hot rolling Methods 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 238000007711 solidification Methods 0.000 claims description 3
- 230000008023 solidification Effects 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 6
- 238000012545 processing Methods 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/04—Making ferrous alloys by melting
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/58—Ferrous alloys, e.g. steel alloys containing chromium with nickel with more than 1.5% by weight of manganese
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- E21B21/002—Down-hole drilling fluid separation systems
-
- 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
- Y02P10/20—Recycling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention relates to the technical field of short filter joints, in particular to a material and a mesh arrangement optimization method for a ground and underground high-performance drilling fluid filter screen, which comprises a filter screen main body, wherein the filter screen main body is composed of 316L stainless steel pipes, and the 316L stainless steel comprises the following chemical components: c: less than or equal to 0.030; si is less than or equal to 1.00; mn: less than or equal to 2.00; s: less than or equal to 0.030; p: less than or equal to 0.045; cr: 16.00 to 18.00; ni: 10.00-14.00; mo: 2.00-3.00, and the balance is Fe and other impurity elements which cannot be thoroughly removed, according to the invention, through the arranged filter screen main body, the filter holes and the by-pass holes, circulation can be realized through the by-pass holes after the filter screen main body is filled with impurities, so that the filter screen main body is more stable to use, through the arrangement of the transition cone, the guide ring and the like, the fluid mechanics design is adopted, the impact of drilling fluid during passing is reduced, and meanwhile, through the design of integral stainless steel pipe processing adopted by the filter screen main body, the risk of damage is reduced.
Description
Technical Field
The invention relates to the technical field of short filter joints, in particular to a material of a ground and underground high-performance drilling fluid filter screen and a mesh arrangement optimization method.
Background
Downhole screen joints are attached to the drill string, most typically above the downhole drilling assembly, for protecting equipment that is very sensitive to debris and debris from the drilling fluid, such as MWD, LWD, rotary steerable tools, motors, bit nozzles, etc., and may also be used for testing, fishing, etc.
Traditional high performance drilling fluid filter screen in pit is when using, and is usually directly installed this high performance drilling fluid filter screen in pit on the outside short circuit, then installs outside short circuit on the drilling string, can filter impurity through the filter screen in this short circuit this moment, if debris fill the back in the filter screen when filtering, can cause the jam, unable circulation, consequently, provides a material and the preferred method that the mesh was arranged of ground and high performance drilling fluid filter screen in the pit to above-mentioned problem.
Disclosure of Invention
The invention aims to provide a material and a mesh arrangement optimization method for a ground and underground high-performance drilling fluid filter screen, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a preferable method for the material and the mesh arrangement of a ground and downhole high-performance drilling fluid filter screen comprises a filter screen main body, wherein the filter screen main body is composed of 316L stainless steel pipes, and the 316L stainless steel comprises the following chemical components: c: less than or equal to 0.030; si is less than or equal to 1.00; mn: less than or equal to 2.00; s: less than or equal to 0.030; p: less than or equal to 0.045; cr: 16.00 to 18.00; ni: 10.00-14.00; mo: 2.00-3.00, and the balance of Fe and other impurity elements which cannot be completely removed.
Preferably, the left end of the filter screen main body is fixedly connected with a transition cone, the left side of the transition cone is fixedly connected with a diversion ring, and the right end of the filter screen main body is fixedly connected with a water outlet pipe.
Preferably, the filter screen main part outside is seted up and is evenly distributed's filtration pore, both sides have all been seted up the by-pass hole around the filter screen main part left end.
Preferably, be the dislocation distribution between the filtration pore that the filter screen main part was established, the number of the by pass hole that the filter screen main part left end was established is total two, and two the by pass hole that the filter screen main part was established is symmetry setting around being.
Preferably, the mesh arrangement is preferably as follows:
the method comprises the following steps: melting a steel billet through an electric melting furnace, decarbonizing the molten steel billet through a decarburization refining furnace to obtain molten steel with high purity after decarburization is finished, and then putting Si, Mn, S, P, Cr, Ni and Mo with proper content into the molten steel;
step two: directly taking out part of the molten steel from the molten steel for natural cooling solidification, measuring elements in the steel ingot after the molten steel is solidified into a steel ingot, then adding proper amounts of Si, Mn, S, P, Cr, Ni and Mo into the molten steel according to the content of different elements in the steel ingot for fine adjustment, and cooling and shaping the molten steel model after the fusion is completed;
step three: after the steel liquid is cooled and shaped into steel billets, the steel billets which are not completely shaped are directly made into steel pipes through a steel pipe hot rolling mill, then the cut steel pipes are cooled and shaped until the temperature of the steel pipes is reduced to be the same as the room temperature, and then the steel pipes are cut into pipes with the same length through a wire cutting machine;
step four: directly fix the stainless steel pipe in suitable position on the laser-beam drilling machine, then begin the one end at the stainless steel outside through the laser-beam drilling machine and evenly punch, after the first round of punching is accomplished, the first round hole site of second circle hole site stagger, make its hole be evenly distributed in the stainless steel outside, form the filtration pore, then punch at stainless steel pipe one end through the laser-beam drilling machine, form the by pass hole, later cut the stainless steel piece through the numerical control machine dress, form the transition awl that the outward appearance is the conical setting, at last through argon arc welding machine on stainless steel pipe by pass hole one end welding transition awl, through argon arc welding machine on the other end of transition awl welding deflector ring, through argon arc welding machine on the stainless steel pipe other end welding outlet pipe, wait to weld after the cooling, filter screen main part production is accomplished.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the arranged filter screen main body, the filter holes and the bypass holes, circulation can be realized through the bypass holes after the filter screen main body is filled with sundries, so that the filter screen main body is more stable to use, the impact of drilling fluid during passing is reduced by adopting a hydrodynamic design through the arranged transition cone, the arranged guide ring and the like, meanwhile, the filter screen main body adopts an integrated stainless steel pipe processing design, the risk of damage is reduced, the thickness and the strength of the filter screen main body are greatly improved compared with the traditional filter screen, and the whole service life is greatly prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the main structure of the filter net of the present invention;
FIG. 3 is a schematic view of the outlet structure of the present invention;
FIG. 4 is a schematic side view of the outlet pipe of the present invention;
fig. 5 is a schematic view of a deflector ring according to the present invention;
fig. 6 is a schematic view of the inner side structure of the deflector ring of the present invention;
fig. 7 is a schematic side view of a baffle ring according to the present invention.
In the figure: 1-a filter screen main body, 2-a transition cone, 3-a flow guide ring, 4-a water outlet pipe, 5-a filter hole and 6-a bypass hole.
Detailed Description
Example 1:
referring to fig. 1, the present invention provides a technical solution:
a preferable method for the material and the mesh arrangement of a ground and underground high-performance drilling fluid filter screen comprises a filter screen main body 1, wherein the filter screen main body 1 is composed of 316L stainless steel pipes, and the 316L stainless steel pipes comprise the following chemical components: c: less than or equal to 0.030; si is less than or equal to 1.00; mn: less than or equal to 2.00; s: less than or equal to 0.030; p: less than or equal to 0.045; cr: 16.00 to 18.00; ni: 10.00-14.00; mo: 2.00-3.00, and the balance of Fe and other impurity elements which can not be completely removed, so that the liquid can be continuously circulated after the filter screen main body 1 is filled with impurities.
1 left end fixedly connected with transition of filter screen main part awl 2, 2 left side fixedly connected with water conservancy diversion rings 3 of transition awl, 1 right-hand member fixedly connected with outlet pipe 4 of filter screen main part, filter hole 5 that is evenly distributed is seted up in the 1 outside of filter screen main part, by-pass hole 6 has all been seted up to both sides around 1 left end of filter screen main part, be the dislocation distribution between the filter hole 5 that filter screen main part 1 established, the number of by-pass hole 6 that filter screen main part 1 left end was established is total two, and two filter screen main part 1 establish by-pass hole 6 and be the symmetry setting around being, can make this filter screen main part 1 more durable through this setting.
The working process is as follows: melting a steel billet through an electric melting furnace, decarburizing the molten steel billet through a decarburizing refining furnace, obtaining molten steel with higher purity after the decarburization is finished, then putting Si, Mn, S, P, Cr, Ni and Mo with proper content into the molten steel, directly taking out part of the molten steel from the molten steel for natural cooling and solidification, measuring elements in the steel ingot after the molten steel is solidified into the steel ingot, then adding proper amounts of Si, Mn, S, P, Cr, Ni and Mo into the molten steel according to the content of different elements in the steel ingot for fine adjustment, cooling and shaping the molten steel after the fusion is finished, directly making the steel billet which is not completely shaped into a steel pipe through a steel pipe hot rolling mill after the molten steel is cooled and shaped into the steel pipe, then cooling and shaping the steel pipe until the temperature of the steel pipe is reduced to be the same as the room temperature, and then cutting the steel pipe into a pipe with the same length through a wire cutting machine, directly fixing a stainless steel pipe at a proper position on a laser drilling machine, uniformly drilling holes at one end of the outer side of the stainless steel pipe through the laser drilling machine, after the first circle of holes is drilled, staggering the second circle of holes for the first circle of holes to ensure that the holes are uniformly distributed at the outer side of the stainless steel pipe to form a filtering hole 5, then drilling at one end of the stainless steel pipe through the laser drilling machine to form a bypass hole 6, then cutting a stainless steel block through a numerical control machine to form a transition cone 2 with a conical outer surface, finally welding the transition cone 2 at one end of the bypass hole 6 of the stainless steel pipe through an argon arc welding machine, welding a flow guide ring 3 at the other end of the transition cone 2 through the argon arc welding machine, welding a water outlet pipe 4 at the other end of the stainless steel pipe through the argon arc welding machine, after welding and cooling, completing the production of a filter screen main body 1, when the underground high-performance drilling fluid filter screen is used, firstly, a filter screen main body 1 is connected with a short circuit, then the short circuit is installed on a drill stem, at the moment, the filter screen main body 1, a filter hole 5 and a bypass hole 6 are arranged, circulation can be realized through the bypass hole 6 after the filter screen main body 1 is filled with sundries, the use of the filter screen main body is more stable, the impact of drilling fluid during passing is reduced by adopting the hydrodynamic design of a transition cone 2, a diversion ring 3 and the like, meanwhile, the risk of damage is reduced by adopting the design of processing an integral stainless steel pipe through the filter screen main body 1, the thickness and the strength of the filter screen main body are greatly improved compared with the traditional filter screen, so that the integral service life is greatly prolonged, when in use, the drilling fluid at the upper part of the filter screen main body 1 passes through the diversion ring 3 on the filter screen main body 1 and then reaches an annular space between the outer part of the filter screen main body and an inner cylinder of the short circuit through the transition cone 2 of the filter screen main body 1, get into after being filtered main part 1 and filter main part 1 inside and flow through the water hole of short circuit lower part, solid debris in the drilling fluid can not be through filtering the main part trompil, is stayed annular space drilling fluid that filters main part 1 and short circuit inner tube and comes out the back from filtering main part 1 outside and toward interior filtration through the water conservancy diversion hole, compares direct inside and outside filterable mode, and the drilling fluid is to the erosion greatly reduced of filter screen bottom to the probability that the filter screen main part damaged the inefficacy in advance has been reduced.
Example 2:
referring to fig. 1, the present invention provides a technical solution:
a preferable method for the material and the mesh arrangement of a ground and underground high-performance drilling fluid filter screen comprises a filter screen main body 1, wherein the filter screen main body 1 is composed of 316L stainless steel pipes, and the 316L stainless steel pipes comprise the following chemical components: c: less than or equal to 0.030; si is less than or equal to 1.00; mn: less than or equal to 2.00; s: less than or equal to 0.030; p: less than or equal to 0.045; cr: 16.00 to 18.00; ni: 10.00-14.00; mo: 2.00-3.00, and the balance of Fe and other impurity elements which can not be completely removed, so that the liquid can be continuously circulated after the filter screen main body 1 is filled with impurities.
1 left end fixedly connected with transition of filter screen main part awl 2, 2 left side fixedly connected with water conservancy diversion rings 3 of transition awl, 1 right-hand member fixedly connected with outlet pipe 4 of filter screen main part, filter hole 5 that is evenly distributed is seted up in the 1 outside of filter screen main part, by-pass hole 6 has all been seted up to both sides around 1 left end of filter screen main part, be the dislocation distribution between the filter hole 5 that filter screen main part 1 established, the number of by-pass hole 6 that filter screen main part 1 left end was established is total two, and two filter screen main part 1 establish by-pass hole 6 and be the symmetry setting around being, can make this filter screen main part 1 more durable through this setting.
The working process is as follows: when the filter screen main body 1 is produced, a small amount of Cr, Ni and Mo can be firstly put into molten steel, then after the element content in the molten steel is measured, the content of Cr, Ni and Mo is added according to the measurement result, the content of Cr can be reduced to 16.00, the content of Ni can be reduced to 10.00, and the content of Mo can be reduced to 2.00, and the use of Cr, Ni and Mo can be reduced by reducing the corrosion resistance of part of the filter screen main body 1, so that the production cost is low.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, or combinations, or other applications of the inventive concepts and solutions as may be employed without such modifications, are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a material of ground and high performance drilling fluid filter screen in pit, includes filter screen main part (1), its characterized in that: the filter screen main body (1) is composed of a 316L stainless steel pipe, and the 316L stainless steel pipe comprises the following chemical components: c: less than or equal to 0.030; si is less than or equal to 1.00; mn: less than or equal to 2.00; s: less than or equal to 0.030; p: less than or equal to 0.045; cr: 16.00 to 18.00; ni: 10.00-14.00; mo: 2.00-3.00, and the balance of Fe and other impurity elements which cannot be completely removed.
2. The material of the ground and underground high-performance drilling fluid filter screen according to claim 1, wherein: the filter screen is characterized in that the left end of the filter screen main body (1) is fixedly connected with a transition cone (2), the left side of the transition cone (2) is fixedly connected with a diversion ring (3), and the right end of the filter screen main body (1) is fixedly connected with a water outlet pipe (4).
3. The material of the ground and underground high-performance drilling fluid filter screen according to claim 1, wherein: filter screen main part (1) outside is seted up and is evenly distributed's filtration pore (5), both sides have all been seted up by-pass hole (6) around filter screen main part (1) left end.
4. The material of the ground and underground high-performance drilling fluid filter screen according to claim 1, wherein: the filter screen is characterized in that the filter holes (5) formed in the filter screen main body (1) are distributed in a staggered mode, the number of the bypass holes (6) formed in the left end of the filter screen main body (1) is two, and the bypass holes (6) formed in the filter screen main body (1) are symmetrically arranged in the front and back direction.
5. The mesh layout optimization method for the ground and downhole high-performance drilling fluid filter screen according to claim 1, characterized in that:
the method comprises the following steps: melting a steel billet through an electric melting furnace, decarbonizing the molten steel billet through a decarburization refining furnace to obtain molten steel with high purity after decarburization is finished, and then putting Si, Mn, S, P, Cr, Ni and Mo with proper content into the molten steel;
step two: directly taking out part of the molten steel from the molten steel for natural cooling solidification, measuring elements in the steel ingot after the molten steel is solidified into a steel ingot, then adding proper amounts of Si, Mn, S, P, Cr, Ni and Mo into the molten steel according to the content of different elements in the steel ingot for fine adjustment, and cooling and shaping the molten steel model after the fusion is completed;
step three: after the steel liquid is cooled and shaped into steel billets, the steel billets which are not completely shaped are directly made into steel pipes through a steel pipe hot rolling mill, then the cut steel pipes are cooled and shaped until the temperature of the steel pipes is reduced to be the same as the room temperature, and then the steel pipes are cut into pipes with the same length through a wire cutting machine;
step four: directly fixing the stainless steel pipe at a proper position on a laser-beam drilling machine, uniformly drilling at one end of the outer side of the stainless steel pipe through the laser-beam drilling machine, after the first circle of holes are punched, the hole positions of the second circle are staggered with the hole positions of the first circle, so that the holes are uniformly distributed on the outer side of the stainless steel to form filtering holes (5), then, a laser drilling machine is used for drilling one end of the stainless steel pipe to form a bypass hole (6), then a numerical control machine is used for cutting a stainless steel block to form a transition cone (2) with a conical surface, finally, an argon arc welding machine is used for welding the transition cone (2) at one end of the stainless steel pipe bypass hole (6), an upper guide ring (3) is welded at the other end of the transition cone (2) through an argon arc welding machine, and (3) welding an upper water outlet pipe (4) at the other end of the stainless steel pipe through an argon arc welding machine, and finishing the production of the filter screen main body (1) after the stainless steel pipe is cooled after welding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210550281.2A CN114904312A (en) | 2022-05-20 | 2022-05-20 | Material of ground and underground high-performance drilling fluid filter screen and mesh arrangement optimization method |
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| CN202210550281.2A CN114904312A (en) | 2022-05-20 | 2022-05-20 | Material of ground and underground high-performance drilling fluid filter screen and mesh arrangement optimization method |
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