CN208966328U - Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device - Google Patents
Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device Download PDFInfo
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- CN208966328U CN208966328U CN201821525731.8U CN201821525731U CN208966328U CN 208966328 U CN208966328 U CN 208966328U CN 201821525731 U CN201821525731 U CN 201821525731U CN 208966328 U CN208966328 U CN 208966328U
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- 238000005553 drilling Methods 0.000 title claims abstract description 38
- 238000012806 monitoring device Methods 0.000 title claims abstract description 29
- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 239000012530 fluid Substances 0.000 claims description 78
- 230000001681 protective effect Effects 0.000 claims description 44
- 238000007789 sealing Methods 0.000 claims description 32
- 230000005611 electricity Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 238000010248 power generation Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000004904 shortening Methods 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 78
- 230000000694 effects Effects 0.000 description 6
- 210000002445 nipple Anatomy 0.000 description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003628 erosive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 102000010637 Aquaporins Human genes 0.000 description 1
- 108010063290 Aquaporins Proteins 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to the technical fields of underground monitoring tool, it is a kind of long continuation of the journey mud-pulse with well-drilling bottom pressure monitoring device, it includes the first cylinder, the second cylinder, third cylinder, the 4th cylinder, the 5th cylinder, connecting short section, mud pulse generator assembly is provided in first cylinder, it is provided with alternator assembly in second cylinder, is provided with electronics cabin in the 5th cylinder.The utility model reasonable and compact in structure, by redesigning mud-pulse with the internal structure of well-drilling bottom pressure monitoring device, make the utility model in addition to high power lithium battery group can be carried, it can also be using the mud of well internal circulation flow come the turbine on pushing generator assembly, and then alternator assembly is produced electricl energy, these electric energy are enough the continuous work for enabling the utility model in long-time, reduce and mention brill number, the duty cycle for shortening drilling well, cost is saved.
Description
Technical field
It is that a kind of long continuation of the journey mud-pulse is supervised with drilling well bottom pressure the utility model relates to underground monitoring technical field of tools
Survey device.
Background technique
Mud-pulse has been widely used at present with well-drilling bottom pressure monitoring device abbreviation PWD system, PWD systems technology
In under-balance drilling operation, this system can in time, accurately obtain every pressure data in shaft bottom, to protection and discovery oil gas
Layer has important practical significance, but current PWD system is due to receiving the limitation of borehole size and drilling tool size, only
A limited number of high power lithium battery groups can be carried, the biggish downhole drill instrument of power consumption can not be made to hold for a long time with drill tools
Continuous work after dead battery, can only be forced to pull out of hole in advance and replace battery, then could continue to creep into, repeatedly drilling and lower brill,
Potential security risk can be not only brought to oil well, but also greatly wastes manpower, material resources and financial resources, and working efficiency is low, seriously
Affect the duty cycle of drilling well.
Summary of the invention
The utility model provides a kind of long continuation of the journey mud-pulse with well-drilling bottom pressure monitoring device, overcomes above-mentioned existing
The deficiency of technology, can effectively solve existing mud-pulse with well-drilling bottom pressure monitoring device can not in well continuous work for a long time
The problem of making.
The technical solution of the utility model is realized by following measures: a kind of long continuation of the journey mud-pulse is with well-drilling bottom
Pressure monitoring device, including the first cylinder, the second cylinder, third cylinder, the 4th cylinder, the 5th cylinder, connecting short section, first
Body, the second cylinder, third cylinder, the 4th cylinder, the 5th cylinder, connecting short section are fixedly connected sequentially from top to bottom, the first cylinder
It is inside provided with mud pulse generator assembly, alternator assembly is provided in the second cylinder, alternator assembly is internally provided with
Circuit path, is provided with the motor magnet rotor turbine being able to rotate on the axis of alternator assembly, and mud pulse generator is total
The upper fluid for liquid flowing is formd between inner wall at the first cylinder, between alternator assembly and the inner wall of the second cylinder
Channel, the lower end of mud pulse generator assembly are fixedly connected with the upper end of alternator assembly, fixed in the top of third cylinder
Overcurrent set is installed, is internally provided with upper overcurrent set fluid passage, alternator assembly lower end and upper overcurrent set in upper overcurrent set
Matched rotary connector and socket are installed, the matched rotary connector between alternator assembly and upper overcurrent set between upper end
The first protective jacket is fixedly installed with receptacle portion, between the alternator assembly and third cylinder between the second cylinder and upper overcurrent set
The middle fluid channel flowed for liquid is formed, the first circuit path, the first circuit path connection first are provided in upper overcurrent set
Matched rotary connector and socket in protective jacket, the upper section of the 4th cylinder are plugged in third cylinder, the upper end of the 4th cylinder
Face presses against on the lower end surface of overcurrent set, lower overcurrent set is fixedly installed in the lower part of the 4th cylinder, in the 4th inner barrel
It is provided with and is provided with and the 4th in the second circuit channel of the 4th cylinder upper end and the 4th cylinder lower inner wall, lower overcurrent set
The tertiary circuit channel that the second circuit channel of cylinder lower inner wall communicates, it is logical with second fluid is provided in lower overcurrent set
Road, is equipped with matched rotary connector and socket in the lower end of the lower overcurrent set in corresponding tertiary circuit channel, the 5th cylinder it is interior
Portion is fixedly installed with inverted Y-shaped deflection cone, and the oblique shoulder position of deflection cone is provided with the of at least one connection deflection cone inside and outside
Three fluid channels, the upper end of deflection cone are fixedly connected with connection cylinder, cover and connect the matched rotation between cylinder in lower overcurrent
It is fixedly installed with the second protective jacket outside patch plug and socket, the 4th electricity through deflection cone upper and lower side is provided in deflection cone
Paths, lower overcurrent cover the second protective jacket, connection cylinder and the 4th cylinder and the 5th between the oblique shoulder position of deflection cone
Lower fluid channel is formed between body, is fixedly installed with electronic compartment cylinder, the lower part of electronic compartment cylinder in the 5th cylinder below deflection cone
It is provided with electronics cabin on outer wall, has the temperature, pressure component of energy monitoring temperature and pressure in electronic compartment indoor location, in electronics
It is also equipped with battery component in cabin, the 5th electricity in connection electronics cabin is provided on the electronic compartment cylinder of corresponding 4th circuit path
Paths are provided with guide ring between the lower end surface in electronics cabin and the upper surface of connecting short section；Upper circuit path, first prevent
Sheath lumen, the first circuit path, second circuit channel, tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore,
4th circuit path and the 5th circuit path, which are sequentially connected to, forms circuit path, upper fluid channel, middle fluid channel, upper overcurrent set
Fluid passage, the inner cavity of the 4th cylinder, second fluid channel, lower fluid channel, third fluid channel, deflection cone inner cavity, electronics
Cabin tube inner chamber, guide ring inner cavity are sequentially connected to form fluid channel with connecting short section inner cavity.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
The above-mentioned inner wall position in the first cylinder of abutting is disposed with restrictor ring from top to bottom and holds seat, restrictor ring, support
Cylinder, the first adjustment shell ring, the lower end surface that restrictor ring holds seat are limited by the first card slot on the first cylinder inboard wall, and restrictor ring holds seat
Upper surface limited by circlip of the inlay card on the first cylinder inboard wall, be provided on the inner wall that restrictor ring holds an arrival end multiple
Filter stick, the inlay card current limiting ring on the inner wall that restrictor ring holds an outlet end, the upper surface of support cylinder presses against restrictor ring and holds
On the lower end surface of seat and restrictor ring, the top of mud pulse generator assembly is inserted into restrictor ring across restrictor ring and holds the interior of seat
Portion, the lower end surface of the first adjustment shell ring are limited in the second card slot on the first cylinder inboard wall.
Above-mentioned be provided in the lower inner wall of the second cylinder keeps mud pulse generator assembly and alternator assembly
The centralizer of center position, first fluid channel is provided on centralizer, and upper fluid channel, first fluid channel, middle fluid are logical
Road, upper overcurrent cover fluid passage, the inner cavity of the 4th cylinder, second fluid channel, lower fluid channel, third fluid channel, water conservancy diversion
Cone inner cavity, electronic compartment tube inner chamber, guide ring inner cavity are sequentially connected to form fluid channel with connecting short section inner cavity.
It is above-mentioned to be disposed with second adjustment shell ring, flow tube from top to bottom in the inner wall position for being close to the second cylinder, second
The upper surface of adjustment shell ring presses against on the lower end surface of the first cylinder, and the lower end surface of flow tube presses against on the upper surface of centralizer,
The lower end surface of centralizer is limited by the third card slot on the second cylinder inboard wall.
Above-mentioned electronics cabin includes left cabin, right cabin, the deflection cone lower end surface of corresponding 4th circuit path and corresponding the
Be provided with line positioning sleeve component between the electronic compartment cylinder upper surface of five circuit paths, left cabin inside from top to bottom successively
It is provided with thermometer component, pressure gauge component, pressure tap is provided on the 5th cylinder body outer wall on the downside of pressure gauge component, on the right side
Battery component is provided in cabin, be disposed with from top to bottom on the 5th cylinder body outer wall on the downside of battery component detection hole,
Greasing hole.
The 4th cylinder lower inner wall end in above-mentioned second circuit channel is counterbore, interior on the outside of counterbore to be fixedly installed with lid
Plate, counterbore are connected to second circuit channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path,
Second circuit channel, counterbore, tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th
Circuit path is sequentially connected to and forms circuit path.
It is above-mentioned that the first shop bolt is provided between centralizer and flow tube, it is provided with to press against on the 5th cylinder body outer wall and lead
Second shop bolt of flow cone right end face, is provided with third shop bolt between guide ring and right cabin.
Above-mentioned restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, restrictor ring with
Restrictor ring holds and is provided with sealing ring between seat, and restrictor ring holds and is provided with sealing ring between seat and the first card slot, support cylinder and the
Sealing ring is provided between the inner wall of one cylinder.
Above-mentioned filter stick is the array structure of countersunk arrangement.
The utility model reasonable and compact in structure, by redesigning mud-pulse in well-drilling bottom pressure monitoring device
Portion's structure makes the utility model in addition to that can carry high power lithium battery group, can also be pushed away using the mud of well internal circulation flow
Turbine on dynamic alternator assembly, and then alternator assembly is produced electricl energy, these electric energy are enough that the utility model is enable to exist
The continuous work of long-time reduces and mentions brill number, shortens the duty cycle of drilling well, has saved cost.
Detailed description of the invention
Attached drawing 1 is the main view broken section structural schematic diagram of the best embodiment of the utility model.
The partial enlargement structural representation that attached drawing 2 is A sections in attached drawing 1.
The partial enlargement structural representation that attached drawing 3 is B sections in attached drawing 1.
The partial enlargement structural representation that attached drawing 4 is C sections in attached drawing 1.
The partial enlargement structural representation that attached drawing 5 is D sections in attached drawing 1.
Coding in attached drawing is respectively as follows: 1 for circlip, and 2 be filter stick, and 3 be the first cylinder, and 4 hold seat for restrictor ring, and 5 are limited
Ring is flowed, 6 be support cylinder, and 7 be mud pulse generator assembly, and 8 be the first adjustment shell ring, and 9 be second adjustment shell ring, and 10 be hair
Motor assembly, 11 be the second cylinder, and 12 be flow tube, and 13 be centralizer, and 14 be first fluid channel, and 15 be the first shop bolt,
16 be the first protective jacket, and 17 be matched rotary connector and socket, and overcurrent set on 18,19 be the first circuit path, and 20 be third
Cylinder, 21 be the 4th cylinder, and 22 be lower overcurrent set, and 23 be second fluid channel, and 24 be second circuit channel, and 25 be tertiary circuit
Channel, 26 be counterbore, and 27 be cover board, and 28 be electronic compartment cylinder, and 29 be the second protective jacket, and 30 be connection cylinder, and 31 be deflection cone, 32
It is the 4th circuit path for third fluid channel, 33,34 be the second shop bolt, and 35 be line positioning sleeve component, and 36 be left cabin
Room, 37 be right cabin, and 38 be the 5th cylinder, and 39 be battery component, and 40 be pressure tap, and 41 be detection hole, 42 greasing holes, and 43 be the
Three shop bolts, 44 be guide ring, and 45 be connecting short section, and 46 be sealing ring, and 47 be lower fluid channel, and 48 be temperature, pressure group
Part, 49 be upper circuit path, and 50 be the first card slot, and 51 be the second card slot, and 52 be third card slot, and 53 be motor magnet rotor whirlpool
Wheel, 54 be the 5th circuit path, and 55 be upper fluid channel, and 56 be middle fluid channel.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: the positional relationship of upper and lower, left and right is the Butut according to Figure of description 1
Direction determines.
The utility model is further described below with reference to examples and drawings:
As shown in attached drawing 1-5, length continuation of the journey mud-pulse includes the first cylinder 3, second with well-drilling bottom pressure monitoring device
Cylinder 11, third cylinder 20, the 4th cylinder 21, the 5th cylinder 38, connecting short section 45, the first cylinder 3, the second cylinder 11, third
Cylinder 20, the 4th cylinder 21, the 5th cylinder 38, connecting short section 45 are fixedly connected sequentially from top to bottom, are provided in the first cylinder 3
Mud pulse generator assembly 7 is provided with alternator assembly 10 in second cylinder 11, and alternator assembly 10, which is internally provided with, to be powered on
Paths 49, are provided with the motor magnet rotor turbine 53 being able to rotate on the axis of alternator assembly 10, and mud-pulse occurs
It forms between device assembly 7 and the inner wall of the first cylinder 3, between alternator assembly 10 and the inner wall of the second cylinder 11 for liquid flow
The lower end in dynamic upper fluid channel 55, mud pulse generator assembly 7 is fixedly connected with the upper end of alternator assembly 10, third cylinder
It is fixedly installed with overcurrent set 18 in the top of body 20, is internally provided with upper overcurrent set fluid passage, power generation in upper overcurrent set 18
10 lower end of machine assembly and upper overcurrent, which cover, is equipped with matched rotary connector and socket 17 between 18 upper ends, alternator assembly 10 with
Is fixedly installed with the first protective jacket 16 outside matched rotary connector and socket 17 between upper overcurrent set 18, the second cylinder 11 with
The middle fluid channel 56 flowed for liquid, upper mistake are formed between alternator assembly 10 and third cylinder 20 between upper overcurrent set 18
The first circuit path 19 is provided in stream set 18, the first circuit path 14 is connected to the matched rotary connector in the first protective jacket 16
It is plugged in third cylinder 20 with the upper section of socket 17, the 4th cylinder 21, the upper surface of the 4th cylinder 21 presses against overcurrent set
On 18 lower end surface, it is fixedly installed with lower overcurrent set 22 in the lower part of the 4th cylinder 21, is internally provided with and passes through in the 4th cylinder 21
The second circuit channel 24 of the 4th cylinder 21 upper end and the 4th cylinder lower inner wall is worn, is provided with and the 4th in lower overcurrent set 22
The tertiary circuit channel 25 that the second circuit channel 24 of body lower inner wall communicates is provided with second fluid in lower overcurrent set 22
Channel 23 corresponds in the lower end of the lower overcurrent set 22 in tertiary circuit channel 25 and is equipped with matched rotary connector and socket 17, the
The inside of five cylinders 38 is fixedly installed with inverted Y-shaped deflection cone 31, and the oblique shoulder position of deflection cone 31 is provided at least one connection
The third fluid channel 32 of 31 inside and outside of deflection cone, the upper end of deflection cone 31 is fixedly connected with connection cylinder 30, in lower overcurrent set
It is fixedly installed with the second protective jacket 29 outside matched rotary connector and socket 17 between 22 and connection cylinder 30, in deflection cone
Be provided with the 4th circuit path 33 through 31 upper and lower side of deflection cone in 31, the oblique shoulder position of lower overcurrent set 22 and deflection cone 31 it
Between the second protective jacket 29, between connection cylinder 30 and the 4th cylinder 21 and the 5th cylinder 38 form lower fluid channel 47, water conservancy diversion
It is fixedly installed with electronic compartment cylinder 28 in the 5th cylinder 38 of 31 lower section of cone, is provided with electronic compartment on the lower part outer wall of electronic compartment cylinder 28
There is the temperature, pressure component 48 of energy monitoring temperature and pressure in room in electronic compartment indoor location, is also equipped with electricity in electronic compartment room
Pond component 39 corresponds to the 5th circuit path 54 that connection electronics cabin is provided on the electronic compartment cylinder of the 4th circuit path 33,
Guide ring 44 is provided between the lower end surface in electronics cabin and the upper surface of connecting short section 45；Upper circuit path 49, first protects
Cover 16 inner cavities, the first circuit path 19, second circuit channel 24, tertiary circuit channel 25,29 inner cavity of the second protective jacket, connection circle
30 inner cavities of cylinder, the 4th circuit path 33 are sequentially connected to form circuit path with the 5th circuit path 54, upper fluid channel 55, middle stream
Body channel 56, upper overcurrent cover fluid passage, the inner cavity of the 4th cylinder 21, second fluid channel 23, lower fluid channel 47, third stream
Body channel 32,31 inner cavity of deflection cone, 28 inner cavity of electronic compartment cylinder, 44 inner cavity of guide ring are sequentially connected to be formed with 45 inner cavity of connecting short section
Fluid channel.
Mud pulse generator assembly 7, alternator assembly 10 and matched rotary connector and socket 17 are existing known
Technology；Upper circuit path 49,16 inner cavity of the first protective jacket, the first circuit path 19, second circuit channel 24, tertiary circuit channel
25,29 inner cavity of the second protective jacket, connection 30 inner cavity of cylinder, the 4th circuit path 33 and the 5th circuit path 54 together constitute this
The circuit path of utility model, upper fluid channel 55, middle fluid channel 56, upper overcurrent set fluid passage, the 4th cylinder 21 it is interior
Chamber, lower fluid channel 47, third fluid channel 32,31 inner cavity of deflection cone, 28 inner cavity of electronic compartment cylinder, is led at second fluid channel 23
Stream 44 inner cavity of ring and 45 inner cavity of connecting short section together constitute the mud flow channel of the utility model, install in circuit path
Circuit lead effectively prevents erosion of the mud to transmission line of electricity, the circuit safety being effectively protected in device.When mud from
When entering in upper fluid channel 55 in the first cylinder 3, the mud of flowing will push the rotation of motor magnet rotor turbine 53, make to send out
Motor assembly 10 produces electricl energy, and the electric energy that the utility model generates can satisfy itself circuit system and most of instrument to electric energy
Demand, reduce the dependence to cells component 39, thus substantially prolong working time of the device every time in well,
Reducing and mention brill number, improves work efficiency, upper overcurrent set 18 is not only to connect the channel of upper and lower circuit with lower overcurrent set 22,
And the channel that mud passes through, it is mating in the matched rotary connector and socket 17 and the second protective jacket in the first protective jacket 16
Rotary connector and socket 17 play the role of connect upper and lower circuit, the first protective jacket 16 and the second protective jacket 29 ensure that and match
The rotary connector and socket 17 of set is not by the damage of mud, it is ensured that circuit it is unimpeded, guide ring 44 not only has mud centainly
Guide functions, and also act dispersion internal stress effect.
Above-mentioned long continuation of the journey mud-pulse can be advanced optimized with well-drilling bottom pressure monitoring device according to actual needs
Or/and it improves:
As shown in attached drawing 1,2, be close to the first cylinder 3 inner wall position be disposed with from top to bottom restrictor ring hold seat 4,
Restrictor ring 5, support cylinder 6, the first adjustment shell ring 8, restrictor ring hold the lower end surface of seat 4 by the first card on 3 inner wall of the first cylinder
Slot 50 limits, and the upper surface that restrictor ring holds seat 4 is limited by circlip 1 of the inlay card on 3 inner wall of the first cylinder, holds seat 4 in restrictor ring
Multiple filter sticks 2 are provided on the inner wall of arrival end, the inlay card current limiting ring 5 on the inner wall that restrictor ring holds 4 outlet end of seat, support
The upper surface of cylinder 6 presses against restrictor ring and holds on the lower end surface of seat 4 and restrictor ring 5, and the top of mud pulse generator assembly 7 is worn
It crosses restrictor ring 5 and is inserted into the inside that restrictor ring holds seat 4, the lower end surface of the first adjustment shell ring 8 is limited on 3 inner wall of the first cylinder
The second card slot 51 in.The mud circulated holds 4 entrance of seat from the restrictor ring of upper end and enters in the first cylinder 3, mud meeting
The mushroom head on mud pulse generator assembly 7 is opened, mushroom head is internally provided with spring, can limit after compression deformation of the spring
Gap is generated between stream ring 5 and mushroom head, mud will uniaxially be flowed into the second cylinder 11 along this gap and go, mud
Flow should not be too large, the excessive revolving speed that will lead to turbine 53 of mud flow rate is excessively high, and electric current is excessive, it is easy to make alternator assembly
10 break down, and by adjusting 53 blade parameter of turbine and restrictor ring 5, can adjust area of passage, adjust the flow of mud, into
And the revolving speed of turbine 53 is adjusted, to play the role of adjusting output size of current, restrictor ring among these holds seat 4, branch is held round
Cylinder 6, the first adjustment shell ring 8 are all to play the role of a support protection, dispersion internal stress, inside stream of the mud from them
It crosses, also plays the effect of liquid flow path, protect the inner wall of the first cylinder 3 not by slurry erosion.
As shown in attached drawing 1,2,3, being provided in the lower inner wall of the second cylinder 11 makes 7 He of mud pulse generator assembly
Alternator assembly 10 keeps the centralizer 13 of center position, is provided with first fluid channel 14, upper fluid channel on centralizer 13
55, first fluid channel 40, middle fluid channel 56, upper overcurrent cover fluid passage, the inner cavity of the 4th cylinder 21, second fluid channel
23, lower fluid channel 47, third fluid channel 32,31 inner cavity of deflection cone, 28 inner cavity of electronic compartment cylinder, 44 inner cavity of guide ring and connection
45 inner cavity of pipe nipple, which is sequentially connected to, forms fluid channel.Mud pulse generator assembly 7 and alternator assembly 10 is set to keep center position
It sets, avoids instrument for a long time using the damage for causing equipment.
As shown in attached drawing 1,2,3, it is disposed with second adjustment from top to bottom in the inner wall position for being close to the second cylinder 11
Shell ring 9, flow tube 12, the upper surface of second adjustment shell ring 9 press against on the lower end surface of the first cylinder 3, the lower end surface top of flow tube 12
It is pressed on the upper surface of centralizer 13, the lower end surface of centralizer 13 is limited by the third card slot 52 on 11 inner wall of the second cylinder.The
The setting of two adjustment shell rings 9 and flow tube 12 has not only acted as a support protection, the effect of dispersion internal stress, and mud
It is flowed through from their inside, also plays the effect of fluid channel, protect the inner wall of the second cylinder 11 not by slurry erosion.
As shown in attached drawing 1,4,5, electronics cabin includes left cabin 36, right cabin 37, and corresponding 4th circuit path 33 is led
It was provided with line positioning sleeve component 35 between 31 lower end surface of flow cone and 28 upper surface of electronic compartment cylinder of corresponding 5th circuit path 54,
Temperature, pressure component 48 is internally provided in left cabin 36, on 38 outer wall of the 5th cylinder of 48 lower end of corresponding temperature pressure assembly
It is provided with pressure tap 40, battery component 39 is provided in right cabin 37, outside the 5th cylinder 38 for corresponding to 39 lower end of battery component
Detection hole 41, greasing hole 42 are disposed on wall from top to bottom.In the actual use process, temperature, pressure component 48 is general
For platinum resistance thermometer component and crystal pressure gauge component, not only performance is stablized for this thermometer component and pressure gauge component, and
And have higher precision, after the silicone grease in mud and pressure tap 40 contacts, temperature signal and pressure signal are passed to temperature
In pressure assembly 48, relevant temperature value and pressure value are obtained, the effect for crossing line positioning sleeve component 35 is exactly to allow the present apparatus
Interior circuit lead can swimmingly pass through obstacle, make thermometer component, pressure gauge component, battery component 39 and whole device
Circuit system keeps connection.
As shown in attached drawing 1,2,3,4,5, the 21 lower inner wall end of the 4th cylinder in second circuit channel 24 is counterbore 26, heavy
Cover board 27 is fixedly installed in 26 outside of hole, counterbore 26 is connected to second circuit channel 24 and tertiary circuit channel 25, and upper circuit is logical
Road 49,16 inner cavity of the first protective jacket, the first circuit path 19, second circuit channel 24, counterbore 26, tertiary circuit channel 25,
Two protective jackets, 29 inner cavity, connection 30 inner cavity of cylinder, the 4th circuit path 33 are sequentially connected to form circuit with the 5th circuit path 54
Channel.The setting of counterbore 26 and cover board 27 is the maintenance circuit in later period for convenience.
As shown in attached drawing 1,2,3,4,5, it is provided with the first shop bolt 15 between centralizer 13 and flow tube 12, the 5th
The second shop bolt 34 for pressing against 31 right end face of deflection cone is provided on 38 outer wall of body, between guide ring 44 and right cabin 37
It is provided with third shop bolt 43.The setting of first positioning pin 15, the second positioning pin 34, third positioning pin 43, can be to avoid portion
Connection between part generates rotation, can effectively transmit load.
As shown in attached drawing 1,2, restrictor ring holds that be provided at least twice between the outer wall of seat 4 and the inner wall of the first cylinder 3 close
Seal ring 46, restrictor ring 5 and restrictor ring hold and are provided with sealing ring 46 between seat 4, and restrictor ring is held to be arranged between seat 4 and the first card slot 50
There is sealing ring 46, is provided with sealing ring 46 between support cylinder 6 and the inner wall of the first cylinder 3.This dress can be enhanced in sealing ring 46
The leakproofness set ensure that the stable working performance of the present apparatus.
As shown in attached drawing 1,2, filter stick 2 is the array structure of countersunk arrangement.Compared to the filter stick of line-styled arrangement
2, the filter stick 2 of countersunk arrangement increases the surface area of filtering, improves filter efficiency.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
The utility model be redesign after mud-pulse with well-drilling bottom pressure monitor system, third cylinder the 20, the 4th
Cylinder 21, the 5th cylinder 38 are circuit pipe nipple, are provided with multiple circuit systems in circuit pipe nipple, wherein just including pulse code control
Circuit processed, the utility model are mounted near drill bit, are transferred in well with drilling tool, and when drillng operation starts, mud starts
It recycles, the motor magnet rotor turbine 53 on alternator assembly 10 then starts to rotate with the mud of flowing, and alternator assembly 10 produces
AC power source is changed into direct current by the rectification circuit module in circuit pipe nipple by raw alternating current, alternating current, practical new for this
Circuit system in type provides power supply, and bottom pressure and temperature parameter are carried out dynamic acquisition by temperature, pressure component 48, then arteries and veins
Rushing encoding control circuit acts mud pulse generator assembly 7, and pressure pulse signal, the pressure on ground are formed inside drill string
After sensor receives pressure pulse signal, it is decoded using the computer that bus is sent to ground, finally restores shaft bottom
Pressure and temperature numerical value.
Claims (18)
1. a kind of long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device, it is characterised in that including the first cylinder, the second cylinder,
Third cylinder, the 4th cylinder, the 5th cylinder, connecting short section, the first cylinder, the second cylinder, third cylinder, the 4th cylinder, the 5th
Cylinder, connecting short section are fixedly connected sequentially from top to bottom, and mud pulse generator assembly, the second cylinder are provided in the first cylinder
It is inside provided with alternator assembly, alternator assembly is internally provided with circuit path, is provided on the axis of alternator assembly
The motor magnet rotor turbine being able to rotate, between mud pulse generator assembly and the inner wall of the first cylinder, alternator assembly with
The upper fluid channel for liquid flowing, the lower end of mud pulse generator assembly and power generation are formd between the inner wall of second cylinder
The upper end of machine assembly is fixedly connected, and overcurrent set is fixedly installed in the top of third cylinder, is internally provided in upper overcurrent set
Upper overcurrent covers fluid passage, is equipped with matched rotary connector and socket between alternator assembly lower end and upper overcurrent set upper side,
Matched rotary connector and receptacle portion between alternator assembly and upper overcurrent set are fixedly installed with the first protective jacket, and second
The middle fluid channel flowed for liquid, upper overcurrent set are formed between alternator assembly and third cylinder between body and upper overcurrent set
Inside it is provided with the first circuit path, the first circuit path is connected to matched rotary connector and socket in the first protective jacket, and the 4th
The upper section of cylinder is plugged in third cylinder, and the upper surface of the 4th cylinder presses against on the lower end surface of overcurrent set, the 4th cylinder
Lower part in be fixedly installed with lower overcurrent set, be provided in the 4th inner barrel through the 4th cylinder upper end and the 4th cylinder lower part
The second circuit channel of inner wall is provided with the third communicated with the second circuit channel of the 4th cylinder lower inner wall in lower overcurrent set
Circuit path is provided with second fluid channel in lower overcurrent set, corresponds in the lower end of lower overcurrent set in tertiary circuit channel
Matched rotary connector and socket are installed, the inside of the 5th cylinder is fixedly installed with inverted Y-shaped deflection cone, the oblique shoulder of deflection cone
Position is provided with the third fluid channel of at least one connection deflection cone inside and outside, and the upper end of deflection cone is fixedly connected with connection circle
Cylinder covers in lower overcurrent and is fixedly installed with the second protective jacket outside matched rotary connector and socket between connection cylinder,
The 4th circuit path through deflection cone upper and lower side is provided in deflection cone, between lower overcurrent set and the oblique shoulder position of deflection cone
Lower fluid channel, the 5th circle below deflection cone are formed between second protective jacket, connection cylinder and the 4th cylinder and the 5th cylinder
It is fixedly installed with electronic compartment cylinder in cylinder, electronics cabin is provided on the lower part outer wall of electronic compartment cylinder, has in electronic compartment indoor location
The temperature, pressure component of energy monitoring temperature and pressure is also equipped with battery component, corresponding 4th circuit path in electronic compartment room
Electronic compartment cylinder on be provided with connection electronics cabin the 5th circuit path, electronics cabin lower end surface and connecting short section it is upper
Guide ring is provided between end face；Upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, third
Circuit path, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to formation electricity
Paths, upper fluid channel, middle fluid channel, upper overcurrent set fluid passage, the inner cavity of the 4th cylinder, second fluid channel, under
Fluid channel, third fluid channel, deflection cone inner cavity, electronic compartment tube inner chamber, guide ring inner cavity and connecting short section inner cavity sequentially connect
It is logical to form fluid channel.
2. long continuation of the journey mud-pulse according to claim 1 is with well-drilling bottom pressure monitoring device, it is characterised in that second
Being provided in the lower inner wall of cylinder makes mud pulse generator assembly and alternator assembly keep the centralizer of center position, helps
Be provided with first fluid channel on positive device, upper fluid channel, first fluid channel, middle fluid channel, upper overcurrent set fluid passage,
The inner cavity of 4th cylinder, second fluid channel, lower fluid channel, third fluid channel, deflection cone inner cavity, electronic compartment tube inner chamber,
Guide ring inner cavity is sequentially connected to form fluid channel with connecting short section inner cavity.
3. long continuation of the journey mud-pulse according to claim 2 is with well-drilling bottom pressure monitoring device, it is characterised in that be close to
The inner wall position of second cylinder is disposed with second adjustment shell ring, flow tube, the upper surface top of second adjustment shell ring from top to bottom
It is pressed on the lower end surface of the first cylinder, the lower end surface of flow tube presses against on the upper surface of centralizer, and the lower end surface of centralizer is by
Third card slot on two cylinder inboard walls limits.
4. long continuation of the journey mud-pulse according to claim 2 or 3 is with well-drilling bottom pressure monitoring device, it is characterised in that helping
It is provided with the first shop bolt between positive device and flow tube, is provided on the 5th cylinder body outer wall and presses against the of deflection cone right end face
Two shop bolts are provided with third shop bolt between guide ring and right cabin.
5. long continuation of the journey mud-pulse according to claim 1 or 2 or 3 is with well-drilling bottom pressure monitoring device, it is characterised in that
It is disposed with restrictor ring from top to bottom in the inner wall position for being close to the first cylinder and holds seat, restrictor ring, support cylinder, the first adjustment
Shell ring, the lower end surface that restrictor ring holds seat are limited by the first card slot on the first cylinder inboard wall, and restrictor ring holds the upper surface of seat by card
Circlip on the first cylinder inboard wall limits, and multiple filter sticks are provided on the inner wall that restrictor ring holds an arrival end, are being limited
Stream ring holds inlay card current limiting ring on the inner wall of an outlet end, and the upper surface of support cylinder presses against restrictor ring and holds seat and restrictor ring
On lower end surface, the top of mud pulse generator assembly passes through restrictor ring and is inserted into the inside that restrictor ring holds seat, the first adjustment cylinder
The lower end surface of section is limited in the second card slot on the first cylinder inboard wall.
6. long continuation of the journey mud-pulse according to claim 4 is with well-drilling bottom pressure monitoring device, it is characterised in that be close to
The inner wall position of first cylinder is disposed with restrictor ring from top to bottom and holds seat, restrictor ring, support cylinder, the first adjustment shell ring,
Restrictor ring holds the lower end surface of seat and is limited by the first card slot on the first cylinder inboard wall, and restrictor ring holds the upper surface of seat by inlay card the
Circlip on one cylinder inboard wall limits, and multiple filter sticks are provided on the inner wall that restrictor ring holds an arrival end, are held in restrictor ring
Inlay card current limiting ring on the inner wall of seat outlet end, the upper surface of support cylinder presses against the lower end surface that restrictor ring holds seat and restrictor ring
On, the top of mud pulse generator assembly passes through restrictor ring and is inserted into the inside that restrictor ring holds seat, under the first adjustment shell ring
End face is limited in the second card slot on the first cylinder inboard wall.
7. long continuation of the journey mud-pulse according to claim 1 or 2 or 3 is with well-drilling bottom pressure monitoring device, it is characterised in that
Electronics cabin includes left cabin, right cabin, the deflection cone lower end surface of corresponding 4th circuit path and corresponding 5th circuit path
It was provided with line positioning sleeve component between electronic compartment cylinder upper surface, is disposed with thermometer from top to bottom in the inside in left cabin
Component, pressure gauge component are provided with pressure tap on the 5th cylinder body outer wall on the downside of pressure gauge component, are provided in right cabin
Battery component is disposed with detection hole, greasing hole on the 5th cylinder body outer wall on the downside of battery component from top to bottom.
8. long continuation of the journey mud-pulse according to claim 4 is with well-drilling bottom pressure monitoring device, it is characterised in that electronic compartment
Room includes left cabin, right cabin, the deflection cone lower end surface of corresponding 4th circuit path and the electronic compartment of corresponding 5th circuit path
Cylinder upper surface between be provided with line positioning sleeve component, the inside in left cabin be disposed with from top to bottom thermometer component,
Pressure gauge component is provided with pressure tap on the 5th cylinder body outer wall on the downside of pressure gauge component, is provided with battery in right cabin
Component is disposed with detection hole, greasing hole on the 5th cylinder body outer wall on the downside of battery component from top to bottom.
9. long continuation of the journey mud-pulse according to claim 5 is with well-drilling bottom pressure monitoring device, it is characterised in that electronic compartment
Room includes left cabin, right cabin, the deflection cone lower end surface of corresponding 4th circuit path and the electronic compartment of corresponding 5th circuit path
Cylinder upper surface between be provided with line positioning sleeve component, the inside in left cabin be disposed with from top to bottom thermometer component,
Pressure gauge component is provided with pressure tap on the 5th cylinder body outer wall on the downside of pressure gauge component, is provided with battery in right cabin
Component is disposed with detection hole, greasing hole on the 5th cylinder body outer wall on the downside of battery component from top to bottom.
10. long continuation of the journey mud-pulse according to claim 6 is with well-drilling bottom pressure monitoring device, it is characterised in that electronic compartment
Room includes left cabin, right cabin, the deflection cone lower end surface of corresponding 4th circuit path and the electronic compartment of corresponding 5th circuit path
Cylinder upper surface between be provided with line positioning sleeve component, the inside in left cabin be disposed with from top to bottom thermometer component,
Pressure gauge component is provided with pressure tap on the 5th cylinder body outer wall on the downside of pressure gauge component, is provided with battery in right cabin
Component is disposed with detection hole, greasing hole on the 5th cylinder body outer wall on the downside of battery component from top to bottom.
11. long continuation of the journey mud-pulse according to claim 1 or 2 or 3 is with well-drilling bottom pressure monitoring device, it is characterised in that
The 4th cylinder lower inner wall end in second circuit channel is counterbore, on the outside of counterbore in be fixedly installed with cover board, counterbore connection the
Two circuit paths and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel,
Counterbore, tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially
Connection forms circuit path；Or/and restrictor ring holds and is provided at least two seals between the outer wall of seat and the inner wall of the first cylinder
Ring, restrictor ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring holds and is provided with sealing ring between seat and the first card slot, branch
It holds round and is provided with sealing ring between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
12. long continuation of the journey mud-pulse according to claim 4 is with well-drilling bottom pressure monitoring device, it is characterised in that the second electricity
4th cylinder lower inner wall end of paths is counterbore, and interior on the outside of counterbore to be fixedly installed with cover board, counterbore is connected to second circuit
Channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, counterbore,
Tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to shape
At circuit path；Or/and restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, limit
Stream ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring, which is held, is provided with sealing ring between seat and the first card slot, branch is held round
Sealing ring is provided between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
13. long continuation of the journey mud-pulse according to claim 5 is with well-drilling bottom pressure monitoring device, it is characterised in that the second electricity
4th cylinder lower inner wall end of paths is counterbore, and interior on the outside of counterbore to be fixedly installed with cover board, counterbore is connected to second circuit
Channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, counterbore,
Tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to shape
At circuit path；Or/and restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, limit
Stream ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring, which is held, is provided with sealing ring between seat and the first card slot, branch is held round
Sealing ring is provided between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
14. long continuation of the journey mud-pulse according to claim 6 is with well-drilling bottom pressure monitoring device, it is characterised in that the second electricity
4th cylinder lower inner wall end of paths is counterbore, and interior on the outside of counterbore to be fixedly installed with cover board, counterbore is connected to second circuit
Channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, counterbore,
Tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to shape
At circuit path；Or/and restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, limit
Stream ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring, which is held, is provided with sealing ring between seat and the first card slot, branch is held round
Sealing ring is provided between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
15. long continuation of the journey mud-pulse according to claim 7 is with well-drilling bottom pressure monitoring device, it is characterised in that the second electricity
4th cylinder lower inner wall end of paths is counterbore, and interior on the outside of counterbore to be fixedly installed with cover board, counterbore is connected to second circuit
Channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, counterbore,
Tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to shape
At circuit path；Or/and restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, limit
Stream ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring, which is held, is provided with sealing ring between seat and the first card slot, branch is held round
Sealing ring is provided between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
16. long continuation of the journey mud-pulse according to claim 8 is with well-drilling bottom pressure monitoring device, it is characterised in that the second electricity
4th cylinder lower inner wall end of paths is counterbore, and interior on the outside of counterbore to be fixedly installed with cover board, counterbore is connected to second circuit
Channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, counterbore,
Tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to shape
At circuit path；Or/and restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, limit
Stream ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring, which is held, is provided with sealing ring between seat and the first card slot, branch is held round
Sealing ring is provided between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
17. long continuation of the journey mud-pulse according to claim 9 is with well-drilling bottom pressure monitoring device, it is characterised in that the second electricity
4th cylinder lower inner wall end of paths is counterbore, and interior on the outside of counterbore to be fixedly installed with cover board, counterbore is connected to second circuit
Channel and tertiary circuit channel, upper circuit path, the first protective jacket inner cavity, the first circuit path, second circuit channel, counterbore,
Tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path are sequentially connected to shape
At circuit path；Or/and restrictor ring holds and is provided at least two seals ring between the outer wall of seat and the inner wall of the first cylinder, limit
Stream ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring, which is held, is provided with sealing ring between seat and the first card slot, branch is held round
Sealing ring is provided between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
18. long continuation of the journey mud-pulse according to claim 10 is with well-drilling bottom pressure monitoring device, it is characterised in that second
4th cylinder lower inner wall end of circuit path is counterbore, interior on the outside of counterbore to be fixedly installed with cover board, the second electricity of counterbore connection
Paths and tertiary circuit channel, upper circuit path, the first circuit path, second circuit channel, sink at the first protective jacket inner cavity
Hole, tertiary circuit channel, the second protective jacket inner cavity, connection cylinder bore, the 4th circuit path and the 5th circuit path sequentially connect
It is logical to form circuit path；Or/and restrictor ring holds and is provided at least two seals between the outer wall of seat and the inner wall of the first cylinder
Ring, restrictor ring and restrictor ring hold and are provided with sealing ring between seat, and restrictor ring holds and is provided with sealing ring between seat and the first card slot, branch
It holds round and is provided with sealing ring between cylinder and the inner wall of the first cylinder；Or/and filter stick is the array structure of countersunk arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525731.8U CN208966328U (en) | 2018-09-18 | 2018-09-18 | Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821525731.8U CN208966328U (en) | 2018-09-18 | 2018-09-18 | Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device |
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| CN208966328U true CN208966328U (en) | 2019-06-11 |
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| CN201821525731.8U Withdrawn - After Issue CN208966328U (en) | 2018-09-18 | 2018-09-18 | Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025974A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device |
-
2018
- 2018-09-18 CN CN201821525731.8U patent/CN208966328U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109025974A (en) * | 2018-09-18 | 2018-12-18 | 中国石油集团西部钻探工程有限公司 | Long continuation of the journey mud-pulse is with well-drilling bottom pressure monitoring device |
| CN109025974B (en) * | 2018-09-18 | 2024-02-02 | 中国石油天然气集团有限公司 | Long duration mud pulse while drilling bottom pressure monitoring device |
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| TR01 | Transfer of patent right |
Effective date of registration: 20201106 Address after: 100120 Beijing Xicheng District six laying Kang Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CNPC Xibu Drilling Engineering Co.,Ltd. Address before: 834000 Drilling Engineering Research Institute, No. 98 Youyi Road, Karamay District, Karamay City, Xinjiang Uygur Autonomous Region Patentee before: CNPC Xibu Drilling Engineering Co.,Ltd. |
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| AV01 | Patent right actively abandoned | ||
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Granted publication date: 20190611 Effective date of abandoning: 20240202 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240202 |