CN110872935A - Constant liquid level heating degasser - Google Patents
Constant liquid level heating degasser Download PDFInfo
- Publication number
- CN110872935A CN110872935A CN201811021818.6A CN201811021818A CN110872935A CN 110872935 A CN110872935 A CN 110872935A CN 201811021818 A CN201811021818 A CN 201811021818A CN 110872935 A CN110872935 A CN 110872935A
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- Prior art keywords
- churn
- stirring
- degasser
- flotation pontoon
- thermostatic
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- 239000007788 liquid Substances 0.000 title claims abstract description 64
- 238000010438 heat treatment Methods 0.000 title claims description 8
- 238000003756 stirring Methods 0.000 claims abstract description 75
- 238000007667 floating Methods 0.000 claims abstract description 32
- 238000005188 flotation Methods 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 4
- 230000008676 import Effects 0.000 claims abstract description 4
- 230000001502 supplementing effect Effects 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 21
- 238000005553 drilling Methods 0.000 abstract description 18
- 230000002411 adverse Effects 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 31
- 238000007872 degassing Methods 0.000 description 10
- 239000004215 Carbon black (E152) Substances 0.000 description 6
- 229930195733 hydrocarbon Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical class 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- 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
- E21B21/06—Arrangements for treating drilling fluids outside the borehole
- E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
- E21B21/067—Separating gases from drilling fluids
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention provides a constant liquid level temperature-increasing degasser which comprises a stirring cylinder with a stirring cavity, a stirring shaft and a stirring rod which are arranged in the stirring cavity, a motor which is arranged at the top of the stirring cylinder and is in driving connection with the stirring shaft, and a plurality of interfaces which are arranged on the stirring cylinder. The liquid inlet is arranged at the bottom of the mixing drum, the liquid outlet is arranged at the middle upper part of the outer drum wall of the mixing drum, and the liquid outlet is arranged in a downward inclined manner; the external cover at the churn is equipped with the flotation pontoon, and the bottom surface and the horizontal sealing connection in churn bottom surface of flotation pontoon are fixed, and the top surface of flotation pontoon is fixed around the peripheral sealing connection in churn upper portion, and the top surface of flotation pontoon is less than the top surface of churn, forms inclosed cyclic annular floating chamber between flotation pontoon and the churn, corresponds the side near the outward flange at the top of flotation pontoon and is equipped with respectively and floats hot import and the hot export of chamber intercommunication. The degasser can continuously dissipate and separate the gas contained in the drilling fluid, can fully eliminate various adverse factors, and ensures the high efficiency and reliability of logging data processing in oil and gas exploration.
Description
The technical field is as follows: the invention relates to the field of gas-liquid separation devices matched with petroleum and natural gas exploration construction sites, in particular to a constant liquid level temperature-increasing degasser, which is particularly suitable for gas collection and detection of logging after gas-liquid separation of drilling fluid in petroleum and natural gas exploration construction.
Background art: for a long time, the electric continuous degasser is widely applied to the field of gas detection in oil and gas exploration, and is important gas-liquid separation equipment and means before gas detection. The basic working principle of the electric continuous degassing machine is that a motor drives a stirring rod to rotate at a high speed, drilling fluid is stirred in a degassing chamber and impacts an upper baffle plate to be crushed, and gas escaping after crushing enters a gas collection chamber and enters a pipeline for gas detector analysis under the suction of an external air pump. However, the application for many years proves that the electric continuous degassing machine is deeply influenced by the liquid level change of the drilling fluid, and the liquid level is frequently emptied. Air is pumped after the liquid level is emptied, and continuous degassing of the drilling fluid is interrupted. Meanwhile, the degasser only has simple mechanical crushing for the crushing of the drilling fluid, and most of gas dissipated after crushing is free gas, so that light hydrocarbon components are easy to dissipate, heavy hydrocarbon components are difficult to dissipate, and the gas for chromatographic detection only has the components from methane to n-pentane (C1-nC 5). In special cases, in order to be able to detect the components after n-pentane, it is necessary to increase the temperature in the gas path, since the heavy hydrocarbon components can be effectively dissipated at high temperatures. However, the high temperature merely heats the desorbed gas, and the heavy hydrocarbon gas components in the original drilling fluid are not desorbed and dissipated at the source.
The invention content is as follows:
the invention aims to provide a constant liquid level temperature-increasing degasser aiming at the problems in the prior art. The constant liquid level temperature-increasing degasser can continuously dissipate and separate gas contained in drilling fluid, can fully eliminate various adverse factors, and ensures high efficiency and reliability of logging data processing in oil and gas exploration in field application.
The technical scheme is as follows:
the utility model provides a constant liquid level heating degasser, is including the churn that has the stirring chamber and set up (mixing) shaft, the stirring rod in the stirring chamber and set up at the churn top with the motor of (mixing) shaft drive connection to and set up inlet, liquid outlet, air mouth, the appearance gas port on the churn, wherein: the liquid inlet is arranged at the bottom of the mixing drum, the liquid outlet is arranged at the middle upper part of the outer drum wall of the mixing drum, and the liquid outlet is arranged in a downward inclined manner; the external cover at the churn is equipped with the flotation pontoon, and the bottom surface and the horizontal sealing connection in churn bottom surface of flotation pontoon are fixed, and the top surface of flotation pontoon is fixed around the peripheral sealing connection in churn upper portion, and the top surface of flotation pontoon is less than the top surface of churn, forms inclosed cyclic annular floating chamber between flotation pontoon and the churn, corresponds the side near the outward flange at the top of flotation pontoon and is equipped with respectively and floats hot import and the hot export of chamber intercommunication.
The above scheme further comprises:
the floating hoop is a closed annular cavity body, is fixed outside the floating pontoon through a floating hoop clamp, and is provided with a liquid supplementing port and a liquid discharging port which are communicated with the annular cavity on the upper end surface and the lower end surface respectively.
The top opening of churn, the opening part is equipped with the closing cap, and the closing cap is the disc of taking the edge, and the disc constitutes cassette sealing cooperation with the churn, and the motor is fixed on the disc, and the pivot of motor and disc constitute rotary seal cooperation, air mouth, appearance gas port symmetry set up on the disc.
The stirring cavity is internally provided with a funnel-shaped crushing plate, the crushing plate is arranged at the horizontal position of the top of the stirring cavity and the top of the floating barrel, and crushing teeth are uniformly distributed on the conical inclined plane of the crushing plate.
The disc and the mixing drum are fixed by a step type flange matched with the rotating pin clamping seat.
The stirring rod is tubular, and stirring teeth are uniformly distributed on the stirring rod at an oblique angle.
More than 3 balancing rods are uniformly distributed on the periphery of the top surface of the buoy.
The balancing rod is a telescopic rod with two sections of inner and outer sleeve rods in inserting fit.
The constant liquid level temperature-increasing degasser provided by the invention has the advantages that the whole design meets the continuous and uninterrupted requirement of field gas collection, the operation is simple and convenient, the maintenance is simple, and meanwhile, the problem of degassing of gas in a limited height space range is thoroughly solved. The drilling fluid is heated in the stirring cavity, and heavy hydrocarbon components are easy to escape at high temperature. The step type flange plate is connected with the rotating pin, and is convenient to mount, dismount and replace. In the operation process, no manual intervention is needed, the liquid level height change is automatically tracked under the suspension action of the buoy and the float collar, and the degassing is quantitative and stable.
Description of the drawings:
the drawing is a schematic structural diagram of an exemplary embodiment of the present invention.
In the figure: 1. the device comprises a sample gas port, 2 a motor, 3 an air port, 4 an inner sleeve rod, 5 an outer sleeve rod, 6 a flange plate, 7 a rotating pin, 8 a heat inlet, 9 a liquid outlet, 10 a floating barrel, 11 a liquid supplementing port, 12 a floating hoop, 13 a floating cavity, 14 a stirring rod, 15 a liquid inlet, 16 a floating hoop clamp, 17 a liquid outlet, 18 a stirring shaft, 19 a stirring cavity, 20 a crushing plate, 21 a gas collecting chamber and 22 a heat outlet.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and specific examples.
Example 1:
referring to the attached figure 1, the constant liquid level temperature-increasing degasser comprises a stirring cylinder with a stirring cavity 19, a stirring shaft 18 and a stirring rod 14 which are arranged in the stirring cavity 19, a motor 2 which is arranged at the top of the stirring cylinder and is in driving connection with the stirring shaft 18, and a liquid inlet 15, a liquid outlet 9, an air port 3 and a sample gas port 1 which are arranged on the stirring cylinder. The improvement comprises:
the liquid inlet 15 is arranged at the bottom of the mixing drum, the liquid outlet 9 is arranged at the middle upper part of the outer drum wall of the mixing drum, and the liquid outlet 9 is arranged in a downward inclination manner; the external cover of churn is equipped with flotation pontoon 10, and the bottom surface and the churn bottom surface level sealing connection of flotation pontoon 10 are fixed, and the top surface of flotation pontoon 10 is fixed around churn upper portion periphery sealing connection, and the top surface of flotation pontoon 10 is less than the top surface of churn, forms inclosed cyclic annular floating chamber 13 between flotation pontoon 10 and the churn, is equipped with respectively near the outward flange at the top of flotation pontoon 10 and floats hot import 8 and the hot export 22 of chamber 13 intercommunication.
Example 2:
in addition to embodiment 1, a floating collar 12 is sleeved on the middle lower part of the buoy 10, the floating collar 12 is a closed annular cavity body, the floating collar 12 is fixed outside the buoy 12 through a floating collar clamp 16, and a liquid supplementing port 11 and a liquid discharging port 17 which are communicated with the annular cavity are respectively arranged on the upper end surface and the lower end surface of the floating collar 12.
Furthermore, the top of the mixing drum is open, a sealing cover is arranged at the opening, the sealing cover is a disc with an edge, the disc and the mixing drum form a clamping seat in sealing fit, the motor 2 is fixed on the disc, a pivot of the motor 2 and the disc form rotary sealing fit, and the air port 3 and the sample air port 1 are symmetrically arranged on the disc.
Furthermore, a funnel-shaped crushing plate 20 is arranged in the stirring cavity 19, the crushing plate 20 is arranged at the horizontal position of the top of the stirring cavity and the top of the floating barrel, and crushing teeth are uniformly distributed on the cone inclined plane of the crushing plate 20.
Furthermore, the disc and the mixing drum are fixed by a step type flange 6 matched with a rotating pin 7 clamping seat.
Further, the stirring rod 14 is tubular, and stirring teeth are uniformly distributed on the stirring rod at an oblique angle.
Furthermore, more than 3 balancing rods are uniformly distributed on the periphery of the top surface of the buoy 10; the balancing rod is a telescopic rod formed by splicing and matching a section of inner sleeve rod 4 and a section of outer sleeve rod 5.
Typical application examples:
a constant liquid level temperature-raising degasser mainly comprises a stirring cylinder, a floating barrel, a floating hoop, a stirring rod, a stirring shaft, a motor, a crushing plate, a balance rod and the like.
The float collar 12 is a peripheral device which can be clamped on the periphery of the buoy 10 through a peripheral float collar clamp 16, and the height of the float collar 12 on the buoy 10 is positioned above the bottom third. The top surface of float collar 12 around float bowl 10 has fluid infusion port 11, and the bottom surface has fluid outlet 17, and fluid infusion port 11 and fluid outlet 17 can be sealed with a sealing cover. The balance liquid can be supplemented in the floating hoop through the liquid supplementing port 11, so that the whole degasser is suspended on a certain fixed liquid level height, and the depth of the degasser immersed in the liquid level of the drilling liquid can be adjusted through the liquid discharging port 17. If the degasser does not require float collar 12 to suspend the liquid level to a certain height, float collar 12 may not be installed. The depth of the degasser immersed in the drilling fluid level depends on the density of the drilling fluid used.
The mixing drum (i.e. mixing cavity 19) is a cavity passing through the float bowl 10, the bottom of the mixing drum is horizontally welded with the bottom surface of the float bowl 10, the top of the mixing drum is higher than the top surface of the float bowl, and the higher cavity is a gas collection chamber 21. The stirring cavity is provided with a sealing cover which is a disc with an edge, and the disc clamping seat is arranged in the stirring cavity 19 for sealing. The disc and the stirring cavity 19 are fixed by a step type flange 6 rotating pin clamping seat, and fixed pins are fixed for positioning after the disc and the stirring cavity are fixed in place. The positioning pin is in a shape of an upper tubular body and a lower tubular body, when the rotating pin clamping seat of the stepped flange 6 is completely in place, the positioning pin is required to be positively punched, and the positioning pin is inserted and fixed at the moment. The disc sealing cover is connected with the motor 2, two air ports 3 and a sample air port 1 are respectively arranged at the opposite angles of the edges of the two ends of the sealing cover, the two air ports can be used in a replaceable way, and the motor 2 is arranged with a hole in the middle.
The pivot of the motor is connected with a stirring shaft 18, and the lower end of the stirring shaft 18 is connected with a stirring rod 14. The stirring rod 14 is tubular, and stirring teeth are obliquely arranged above the stirring rod. The stirring rod 14 and the stirring shaft 18 are fixedly connected through pins. The stirring shaft 18 is tubular, the top of the stirring shaft is sleeved on the motor pivot, and holes are drilled in the upper parts of the motor pivot and the stirring shaft 18 and fixed through pivot connecting pins.
A funnel-shaped crushing plate 20 is arranged in the horizontal combination position of the stirring cavity 19 and the floating barrel 10, the aperture of the crushing plate 20 is the same as that of the stirring cavity, and stirring teeth are uniformly distributed on the conical inclined plane.
The bottom of the stirring cavity 19 is a funnel-shaped liquid inlet 15, the end opening of which is an oblique opening and forms 30 degrees with the horizontal direction. The liquid inlet 15 is gradually contracted from the horizontal connection part of the stirring cavity 19 and the floating cylinder 10, and the inner end of the liquid inlet extends out of the bottom of the stirring cavity. The liquid outlet 9 is tubular and is welded with the mixing drum in a seamless mode of inclining downwards by 15 degrees, and the liquid outlet 9 penetrates through the floating drum 10 and is welded with the mixing drum in a seamless mode. After the drilling fluid stirred by the stirring rod and lifted in a rotating manner is crushed at the periphery of the crushing plate 20, gas in the drilling fluid escapes to enter the gas collection chamber 21, and the drilling fluid is sprayed out of the floating pontoon 10 to the outside from the liquid outlet 9 under the action of pressure difference.
The motor 2 is a miniature explosion-proof motor and is connected with a disc sealing cover, and the clamping seat is arranged on the outer edge of the upper part of the stirring cavity 19 and is connected with the stirring cavity 19 by a step type flange 6 rotating pin 7.
Three balance rods are arranged at three positions of the top surface sealing plate outer edge of the floating barrel 10 at equal intervals, the balance rods are in inserting fit with the inner sleeve rod and the outer sleeve rod (4 and 5), anti-falling and anti-inclination steps are arranged in the balance rods, and free and unimpeded stretching and retraction are performed between the sleeve rod bodies, so that the integral effect of stabilizing the degasser is achieved.
The constant liquid level heating degasser has the following properties and advantages: (1) the degassing efficiency is high, and the requirement of fine and efficient exploration can be met; (2) the height of the degasser does not need to be adjusted manually, and the degasser automatically tracks the liquid level to realize self-adjustment, so that the labor intensity of personnel is reduced; (3) the liquid level is not emptied any more, the phenomenon of gas collection interruption is avoided, and the working quality is improved; (4) the continuous tracking degassing is not influenced by the liquid level change, and the synchronous continuity of the height self-adjustment and the degassing is realized; (5) the stirring principle of the stirring rod is also suitable for stirring the high-density and high-viscosity drilling fluid; (6) the degasser is simple and convenient to erect and install, occupies small space, does not influence cross operation, and is beneficial to safety protection; (7) the degassing is automatic, continuous and quantitative, and the oil-gas exploration benefit is promoted; (8) the self-heating of the drilling fluid is realized, the heavy hydrocarbon components can be primarily dissipated and separated from the source, and the high standard and high requirement are met; (9) the step lock catch is quick in fixed connection, light in overall weight and strong in operability.
The constant liquid level heating degasser not only can be efficiently applied in gas acquisition in oil and gas display discovery of oil and gas exploration, but also can be applied to other operation fields requiring liquid level gas detection.
Claims (8)
1. The utility model provides a constant liquid level heating degasser, is including the churn that has the stirring chamber and set up (mixing) shaft, the stirring rod in the stirring chamber and set up at the churn top with the motor of (mixing) shaft drive connection to and set up inlet, liquid outlet, air mouth, the appearance gas port on the churn, characterized by: the liquid inlet is arranged at the bottom of the mixing drum, the liquid outlet is arranged at the middle upper part of the outer drum wall of the mixing drum, and the liquid outlet is arranged in a downward inclined manner; the external cover at the churn is equipped with the flotation pontoon, and the bottom surface and the horizontal sealing connection in churn bottom surface of flotation pontoon are fixed, and the top surface of flotation pontoon is fixed around the peripheral sealing connection in churn upper portion, and the top surface of flotation pontoon is less than the top surface of churn, forms inclosed cyclic annular floating chamber between flotation pontoon and the churn, corresponds the side near the outward flange at the top of flotation pontoon and is equipped with respectively and floats hot import and the hot export of chamber intercommunication.
2. A thermostatic, thermostatic and thermostatic degasser as claimed in claim 1 wherein: the floating hoop is a closed annular cavity body, is fixed outside the floating pontoon through a floating hoop clamp, and is provided with a liquid supplementing port and a liquid discharging port which are communicated with the annular cavity on the upper end surface and the lower end surface respectively.
3. A thermostatic deaerator as claimed in claim 1 or 2 wherein: the top opening of churn, the opening part is equipped with the closing cap, and the closing cap is the disc of taking the edge, and the disc constitutes cassette sealing cooperation with the churn, and the motor is fixed on the disc, and the pivot of motor and disc constitute rotary seal cooperation, air mouth, appearance gas port symmetry set up on the disc.
4. A thermostatic degasser as claimed in claim 3 wherein: the stirring cavity is internally provided with a funnel-shaped crushing plate, the crushing plate is arranged at the horizontal position of the top of the stirring cavity and the top of the floating barrel, and crushing teeth are uniformly distributed on the conical inclined plane of the crushing plate.
5. A thermostatic degasser as claimed in claim 3 wherein: the disc and the mixing drum are fixed by a step type flange matched with the rotating pin clamping seat.
6. A thermostatic degasser as claimed in claim 3 wherein: the stirring rod is tubular, and stirring teeth are uniformly distributed on the stirring rod at an oblique angle.
7. A thermostatic degasser as claimed in claim 3 wherein: more than 3 balancing rods are uniformly distributed on the periphery of the top surface of the buoy.
8. A thermostatic degasser as claimed in claim 3 wherein: the balancing rod is a telescopic rod with two sections of inner and outer sleeve rods in inserting fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021818.6A CN110872935A (en) | 2018-09-04 | 2018-09-04 | Constant liquid level heating degasser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811021818.6A CN110872935A (en) | 2018-09-04 | 2018-09-04 | Constant liquid level heating degasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110872935A true CN110872935A (en) | 2020-03-10 |
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ID=69716757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811021818.6A Pending CN110872935A (en) | 2018-09-04 | 2018-09-04 | Constant liquid level heating degasser |
Country Status (1)
| Country | Link |
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| CN (1) | CN110872935A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973930A (en) * | 1973-10-09 | 1976-08-10 | Burgess Harry L | Drilling mud degasser apparatus and method |
| US4084946A (en) * | 1977-05-31 | 1978-04-18 | Burgess Harry L | Drilling mud degasser |
| CN201874499U (en) * | 2010-12-03 | 2011-06-22 | 中国石油集团西部钻探工程有限公司 | High-flow engine degasser |
| CN206418987U (en) * | 2016-12-21 | 2017-08-18 | 中国石油集团长城钻探工程有限公司录井公司 | A kind of degasser constant temperature heating device |
| CN107246253A (en) * | 2017-06-20 | 2017-10-13 | 中石化石油工程技术服务有限公司 | The floated degasser of oil exploration |
| CN208900055U (en) * | 2018-09-04 | 2019-05-24 | 中石化石油工程技术服务有限公司 | A kind of constant level heats degasser |
-
2018
- 2018-09-04 CN CN201811021818.6A patent/CN110872935A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3973930A (en) * | 1973-10-09 | 1976-08-10 | Burgess Harry L | Drilling mud degasser apparatus and method |
| US4084946A (en) * | 1977-05-31 | 1978-04-18 | Burgess Harry L | Drilling mud degasser |
| CN201874499U (en) * | 2010-12-03 | 2011-06-22 | 中国石油集团西部钻探工程有限公司 | High-flow engine degasser |
| CN206418987U (en) * | 2016-12-21 | 2017-08-18 | 中国石油集团长城钻探工程有限公司录井公司 | A kind of degasser constant temperature heating device |
| CN107246253A (en) * | 2017-06-20 | 2017-10-13 | 中石化石油工程技术服务有限公司 | The floated degasser of oil exploration |
| CN208900055U (en) * | 2018-09-04 | 2019-05-24 | 中石化石油工程技术服务有限公司 | A kind of constant level heats degasser |
Non-Patent Citations (2)
| Title |
|---|
| 奚庆祥: "新型脱气器的改进思路及其优势", 录井工程, no. 01, 30 March 2005 (2005-03-30), pages 44 - 45 * |
| 赵东涛;: "新型脱气器研发理论探讨", 西部探矿工程, no. 12, 15 December 2015 (2015-12-15), pages 90 - 92 * |
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Effective date of registration: 20240117 Address after: Room 1202, No. 22, Chaoyangmen North Street, Chaoyang District, Beijing 100020 Applicant after: Sinopec Petroleum Engineering Technology Service Co.,Ltd. Applicant after: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant after: Sinopec Jingwei Co.,Ltd. Applicant after: Shengli geological logging company of Sinopec Jingwei Co.,Ltd. Address before: 100101 Beichen West Road, Chaoyang District, Beijing 8 Beichen world center, block A 703. Applicant before: SINOPEC OILFIELD SERVICE Corp. Applicant before: SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. Applicant before: GEOLOGICAL LOGGING BRANCH OF SINOPEC SHENGLI PETROLEUM ENGINEERING Co.,Ltd. |
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