CN205720124U - A kind of situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph - Google Patents
A kind of situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph Download PDFInfo
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- CN205720124U CN205720124U CN201620336271.9U CN201620336271U CN205720124U CN 205720124 U CN205720124 U CN 205720124U CN 201620336271 U CN201620336271 U CN 201620336271U CN 205720124 U CN205720124 U CN 205720124U
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- chromatographic analysis
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Abstract
This utility model relates to Oil/gas Well data acquisition and monitoring technical field in petroleum exploration and development, is specifically related to a kind of situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph.This gas chromatograph includes housing, is disposed with semipermeable membrane degasser, sample gas processing means, sample air pump, the first and second alkane gas chromatographic analysis modules, the third fourth pentane gas chromatographic analysis module, data processing equipment and temperature control equipment in housing from the bottom to top；Chromatograph can be quickly entered by shorter connection pipeline carry out Treatment Analysis through the gas of semipermeable membrane gas permeable devices abjection, eliminate long sample gas pipeline to the absorption problem of heavy component in sample gas, eliminate pipeline time-delay to the playback impact of chromatographic data simultaneously；And owing to eliminating pipeline time-delay, it is possible to obtain the content data of hydrocarbon gas in drilling fluid earlier, find the oil of drilling fluid in oil-gas Layer and monitoring drilling process, gas leaching situation much sooner, it is to avoid serious accident occurs.
Description
Technical field
This utility model relates to Oil/gas Well data acquisition and monitoring technical field in petroleum exploration and development, specifically relates to
And one situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph.
Background technology
In accurate measurements situ of drilling well outlet drilling fluid, hydrocarbon gas content is the necessity finding rapidly oil-gas Layer
Means, and for wellbore construction is brought potential safety hazard by prediction and prevention shaft bottom high-pressure oil-gas layer
Main method.In the drilling fluid of detection outlet in real time, the content of gas is to lift foot in modern oil-gas exploration and development
Weight, be the emphasis of field integrated well logging work, is also that situ of drilling well carries out important depending on of well control work
According to.
In order to accurately measure hydrocarbon gas content in mouthful drilling fluid, current comprehensive logging system is all configured with
Gas chromatograph or gas chromatographic analysis work station, use the gas chromatogram that Agilent company produces mostly
Work station or use the gas chromatograph of each instrument manufacturer facility man's independent research.Either use
The gas chromatogram work station of Agilent company production or the chromatograph of each well logging company independent research, all
There is the problems such as excessive or needs the assistant analysis equipment of volume is more.Chromatograph can only be arranged on comprehensive
Close in logging instrument shelter, use sample gas pipeline the sample gas deviate from through engine degasser from drilling fluid
The chromatographic analysis system that exit is transported in instrument shelter carries out chromatography, and this detection mode makes detection
Result exists longer pipeline time-delay, and (gas engine degasser before vibrosieve is to chromatograph in instrument shelter
The required time) so that hydrocarbon information detection is delayed, is unfavorable for well logging fine identification of hydrocarbon information, also gives
Follow-up data playback etc. brings influence factor, it is impossible to the detection oil of drilling fluid, gas leaching situation the most in real time,
It is unfavorable for that drilling safety is constructed.
Number of patent application is that CN203547606U discloses a kind of drilling fluid degasser rate of discharge monitoring device
And drilling fluid degasser, rotational potentiometer that its monitoring device includes having rotary shaft and entrance point for
The fixing fixing cylinder connected of degasser outlet, the rotary shaft of rotational potentiometer is installed with a plate face
The baffle plate that can rotate around rotary shaft, rotary shaft is located at the surface of the fixing cylinder port of export, and baffle plate vertically blocks
In the port of export of fixing cylinder and rotate up rotation along port of export outward direction and be assemblied in rotary shaft, and
Baffle plate overhangs and is arranged at the side of rotary shaft.Drilling fluid degasser rate of discharge of the present utility model monitoring dress
Put and drilling fluid degasser uses rotational potentiometer to match with baffle plate, make use of mud flow rate and rotation
Functional relationship between potentiometer and swung amplitude, and the change in resistance with rotational potentiometer is the most anti-
Reflect the angular displacement of baffle plate, in real time the change of monitoring degasser outlet mud flow rate, it is ensured that degasser absorbs water
The degree of depth meets the requirements.But the drilling liquid flow amount detecting device of the disclosure and drilling fluid degasser structure are complicated,
Installation difficulty, mechanical part fault rate are high, and only address only abjection sample gas, nothing from drilling fluid
Method realizes the real-time detection of hydrocarbon gas in drilling fluid.
Number of patent application is 20141067017.3 to disclose a kind of gas chromatograph, including carrier gas source, color
Spectrum post, thermal conductivity detector (TCD), data process and display recording equipment, carrier gas source and the bottom of thermal conductivity detector (TCD)
It is connected by pipeline, this pipeline has been sequentially connected in series air relief valve, regulation valve, Pressure gauge, spinner
Meter, the top of thermal conductivity detector (TCD) is connected with six-plane rotary valve, and six-plane rotary valve connects certain buret,
Six-plane rotary valve is connected by pipeline with chromatographic column, and this pipeline is provided with carburator, chromatographic column also with
Thermal conductivity detector (TCD) is connected, and described thermal conductivity detector (TCD) processes with data and display recording equipment electrically connects.
But the chromatograph instrument of the disclosure is relatively big, is arranged in instrument shelter, and gas circuit is long, measure the number obtained
Affect according to containing pipeline time-delay, be unfavorable for finding oil-gas Layer in time and predicting bottom pressure in time.
Number of patent application is that CN201120291160.8 discloses and a kind of carries out formation fluid oil gas in real time
The system of monitoring well logging, including semipermeable membrane degasser, heat gas lines, carrier gas module, carrier gas voltage stabilizing
With filtering module, spectroscopic gas analysis, front station, data are transmitted, monitoring module, and comprehensively record
Well instrument.Can effective separating hydrocarbons gas from drilling fluid.Add hot pipeline to can guarantee that under room temperature as the hydrocarbon of liquid
Component transmits in the way of gaseous state.Spectroscopic gas analyser can detect in real time in theory except noble gas with
Outer all gas.The system integration, in scene, shortens pipeline time delay.The major defect of this device is:
Semipermeable membrane to efficiently separate area less, degassing efficiency is the highest, adds and uses spectroscopic analysis system requirement
Sample gas flow is relatively big, therefore the accuracy of detection of whole system is relatively low.
Utility model content
In order to overcome drilling fluid gas detection chromatograph system bulk in prior art relatively big, auxiliary sets
Standby more, complex process, there is pipeline time-delay in detection data, it is impossible to judges oil reservoir shape in real time and accurately
Condition, it is difficult to meet the defect of drilling technology fast development needs, the purpose of this utility model is to provide one
Situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph, this gas chromatograph volume is little, knot
Structure is simple, easy to install, it is achieved the real-time detection to drilling fluid hydrocarbon gas, eliminates pipeline and prolongs
Time, testing result is accurate.
In order to realize object above, this utility model adopts the following technical scheme that
A kind of situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph, including housing, described
Be disposed with from the bottom to top in housing semipermeable membrane degasser, sample gas processing means, sample air pump,
First and second alkane gas chromatographic analysis modules, the third fourth pentane gas chromatographic analysis module, data processing equipment and temperature
Degree controls device；The outfan of described semipermeable membrane degasser and the input of described sample gas processing means
End connects；The outfan of described sample gas processing means is connected with the input of described sample air pump；Described
Sample delivery side of pump respectively with inlet end and the third fourth pentane gas of described first and second alkane gas chromatographic analysis modules
The inlet end of analysis of hplc module connects；Described gas to be detected pumps into first and second by sample air pump simultaneously
Alkane gas chromatographic analysis module and the third fourth pentane gas chromatographic analysis module carry out hydrocarbon gas content detection；
Described data processing equipment respectively with described first and second alkane gas chromatographic analysis modules and the third fourth pentane gas chromatogram
Analysis module electrically connects.Described power port connects external power source and connects；Described housing upper end has
Power supply wiring port and carrier gas connectivity port connect power supply and carrier gas source respectively.
Described data processing equipment includes signaling conversion circuit module, Data Integration processing module and wireless biography
Defeated module；First and second alkane gas chromatographic analysis modules and the data of the third fourth pentane gas chromatographic analysis module output
Signal is converted to digital signal through signaling conversion circuit module, and Data Integration processing module collects numeral
Signal carries out digital filtering, compress and packing processes and integrates out final data, afterwards through being wirelessly transferred mould
The final data that integration is gone out by block beams back the comprehensive logging system in the instrument shelter of well site.
The outer tip end of described housing be additionally provided with wireless transport module with the use of antenna.
Described sample gas processing means includes filter element and drying unit, and described semipermeable membrane degasser is defeated
The gas gone out enters sample processing device to carry out filtering and exporting after drying entering sample air pump successively.
The detection that described first and second alkane gas chromatographic analysis modules and the third fourth pentane gas chromatographic analysis module use
Device is the micro thermal conductivity detector manufactured and designed based on MEMS technology.The use of this micro thermal conductivity detector
Making chromatographic package size miniaturization, package size can be designed as a diameter of 140mm-160mm, highly
For the cylindrical structural of 1.2m-1.3m, while ensureing reliable and stable work, beneficially situ of drilling well
Install and use.
Described semipermeable membrane degasser structural representation is shown in accompanying drawing 2, and top has helicitic texture, it is simple to sample
Product Flash Gas Compression Skid System is tightly connected；Described semipermeable membrane degasser is provided with for close near the position of bottom
Envelope uses semipermeable membrane degasser body with the partition of material in installing the cannelure of semipermeable membrane, described cannelure
Thing seals and cuts off；The described cannelure cut off is respectively arranged at two ends with air inlet and venthole.
The effective film separating area of described semipermeable membrane degasser is 18000mm2-20000mm2。
Described semipermeable membrane degasser is diameter 140mm-160mm, the cylinder of a length of 100m-130mm
Structure, described cannelure is arranged at distance bottom 25mm-30mm, and the degree of depth of described cannelure is
15mm-20mm, width are 35mm-45mm；Described air inlet and venthole and cannelure lower edges away from
From being 5mm-10mm.
Described air inlet and gas outlet are the screwed hole of M6 × 1.
Described temperature control equipment is in chromatograph reliable operating temperature for the temperature controlled within chromatograph；
Described temperature control equipment uses semiconductor chilling plate to do temperature-compensating to chromatograph inside.
Above-mentioned situ of drilling well detects drilling fluid hydrocarbon gas content gas chromatograph in use, in drilling well
Reliable fixing and mounting bracket above the mud distributing trough of vibrosieve, mounts oleo-gear or bullet on installing rack
Spring amortisseur, installs chromatograph the most again, at utmost reduces the vibrations impact on measurement data.Boring
Adjust chromatographic height under well pump opening, make semipermeable membrane degasser be completely immersed in drilling fluid,
Then with seizing wire diagonal angle stationary chromatographic instrument, make chromatograph to rock, it is ensured that degasifying effect, open
Carrier gas source and power supply, open chromatographic work station computer in compound logging instrument room, run corresponding color
Spectrum software.
This utility model situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph, uses semi-transparent
Film degasser and gas chromatographic analysis integrated design, volume is little, and simple in construction is directly pacified during use
Being contained at outdoor vibrosieve, the gas deviate from through semipermeable membrane gas permeable devices can be by shorter connection pipeline
Quickly enter chromatograph and carry out Treatment Analysis, eliminate long sample gas pipeline to the suction of heavy component in sample gas
Attached problem, eliminate pipeline time-delay affects to the playback of chromatographic data simultaneously；And owing to eliminating pipeline
Time delay, it is possible to obtain the content data of hydrocarbon gas in drilling fluid earlier, find much sooner oil-gas Layer and
The oil of drilling fluid, gas leaching situation in monitoring drilling process, it is to avoid serious accident occurs.
Accompanying drawing explanation
Fig. 1 is the situ of drilling well detection drilling fluid hydrocarbon gas content gas that this utility model embodiment provides
The overall structure schematic diagram of chromatography；
Fig. 2 is the situ of drilling well detection drilling fluid hydrocarbon gas content gas that this utility model embodiment provides
Semipermeable membrane degasser overall structure schematic diagram in chromatography；
1-semipermeable membrane degasser, 2-connects pipeline, 3-sample gas processing means, 4-sample air pump, and 5,6-
Connecting pipeline, 7-the first and second alkane gas chromatographic analysis module, 8-the third fourth pentane gas chromatographic analysis module, 9-believes
Number change-over circuit module, 10-Data Integration processing module, 11-wireless transport module, 12-temperature controls dress
Put, 13-power port, 14-carrier gas source port, 15-housing, 16-antenna, 17-helicitic texture, 18-ring
Shape groove, 19-air inlet, 20-venthole.
Detailed description of the invention
Embodiment
The present embodiment situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph, as it is shown in figure 1,
Including housing 15, described housing 15 top is provided with power port 13 and carrier gas source port 14, described housing
Be disposed with from the bottom to top in 15 semipermeable membrane degasser 1, sample gas processing means 3, sample air pump 4,
First and second alkane gas chromatographic analysis module the 7, third fourth pentane gas chromatographic analysis modules 8, signaling conversion circuit mould
Block 9, Data Integration processing module 10, wireless transport module 11, temperature control equipment 12；Described housing
Outer upper end be provided with wireless transport module 11 with the use of antenna 16；Wherein semipermeable membrane degasser
The outfan of 1 is connected with the input of sample gas processing means 3 by connecting pipeline 2；Sample gas processes dress
Put the outfan of 3 to be connected with the input of sample air pump 4；The outfan of sample air pump 4 passes through connecting tube
Line 5 is connected with the inlet end of the first and second alkane gas chromatographic analysis modules 7, by connecting pipeline 6 and the third fourth penta
The inlet end of alkane gas chromatographic analysis module 8 connects；Described temperature control equipment 12 uses quasiconductor system
Cold is done temperature-compensating for chromatograph, it is ensured that the temperature within chromatograph is in chromatographic reliably working temperature
Degree；Described power port 13 is connected with external power source；Described carrier gas source port 14 and outside load
Source of the gas connects.
Before the present embodiment gas chromatograph semipermeable membrane degasser 1 in use is directly immersed in outlet vibrosieve
In drilling fluid, the hydrocarbon gas dissolved in drilling fluid enters in degasser by semipermeable membrane, drilling fluid quilt
Semipermeable membrane is isolated in outside degasser, and the sample gas of abjection is passed through under the swabbing action of sample air pump 4
Connect pipeline 2 to enter and sample gas processing means 3 carried out filter, be dried, through filtering, dried
Sample gas respectively enters first by connection pipeline 5 and connection pipeline 6 under the effect of sample air pump 4 simultaneously
Ethane gas chromatographic analysis module 7 and the third fourth pentane gas chromatographic analysis module 8 are analyzed, will at this
The content of hydrocarbon gas becomes the signal of telecommunication, then the signal of telecommunication of reflection hydrocarbon gas content is sent into signal conversion
Circuit module 9 be converted into computer can the digital signal of acquisition process, then digital signal is sent into number
According to processing means 10 carry out digital filtering, compress, the data such as packing process, then the data after processing are led to
Cross the comprehensive logging system that radio transmitting device 11 is beamed back in instrument shelter.
Arranging of the present embodiment middle shell 15 ensures the insulation within chromatograph, explosion-proof and drilling fluid steam
Impact on instrument.Antenna 16 coordinates with radio transmitting device chromatographic data is transferred to instrument reliably
Device processes in room further.
Further, the first and second alkane gas chromatographic analysis module 7 and the third fourth pentane gas chromatogram in the present embodiment
Analyze module 8 and use the micro thermal conductivity detector manufactured and designed based on MEMS technology.This miniature thermal conductance is examined
The use surveying device makes chromatographic package size miniaturization, and package size can be designed as a diameter of 150mm,
It is highly the cylindrical structural of 1.2m, while ensureing reliable and stable work, beneficially situ of drilling well peace
Dress uses.
In the present embodiment, the effective film separating area of semipermeable membrane degasser is 19000mm2.Semipermeable membrane deaerates
Device is diameter 150mm, and height is the cylindrical structural of 120mm, as in figure 2 it is shown, its top has
Helicitic texture 17, it is simple to be tightly connected with sample gas processing means；It is provided with at distance bottom 28mm
For sealing the cannelure 18 installing semipermeable membrane, same with semipermeable membrane degasser body in described cannelure 18
The interruption of material seals and cuts off；The degree of depth of described cannelure is 17mm, and width is 40mm；Described quilt
The cannelure 18 cut off is respectively arranged at two ends with air inlet 19 and venthole 20；Described air inlet and gas outlet
Screwed hole for M6 × 1.
The present embodiment covers semipermeable membrane outside the cannelure 18 of semipermeable membrane degasser, then uses " returning "
Semipermeable membrane is reliably sealed and is arranged on cannelure 18 by type tabletting, is immersed by degasser body and bore during use
In well liquid, liquid isolation can not be entered inside degasser by semipermeable membrane, the free and absorption in drilling fluid
It is internal that gas permeation semipermeable membrane enters cannelure 18, enters the carrier gas of constant speed from air inlet 19, carries device and takes
Band enters the gas to be measured within degasser and enters analysis mould after venthole 20 enters drying process device
Block is analyzed.
It should be noted that the size of each device can adjust within the specific limits in the present embodiment,
Do not affect the chromatograph testing result to drilling fluid hydrocarbon gas.Such as complete machine diameter 140mm～160mm, height
Degree is 1.2m～1.3m；The effective film separating area of semipermeable membrane degasser can be 18000mm2～20000
mm2, the diameter of semipermeable membrane degasser can be 140mm～160mm, can be highly
100m～130mm, the height of cannelure distance bottom can be 25mm～30mm, and the degree of depth of cannelure can
Thinking 15mm～20mm, width can be 35mm～45mm, air inlet and venthole distance annular trough rim
The distance of edge can be 5mm～10mm.
Claims (9)
1. a situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph, including housing, it is characterized in that, in described housing, be disposed with semipermeable membrane degasser, sample gas processing means, sample air pump, the first and second alkane gas chromatographic analysis modules, the third fourth pentane gas chromatographic analysis module, data processing equipment and temperature control equipment from the bottom to top；The outfan of described semipermeable membrane degasser connects by being connected pipeline with the input of described sample gas processing means；The outfan of described sample gas processing means connects by being connected pipeline with the input of described sample air pump；Described sample gas delivery side of pump connects by being connected pipeline with the inlet end of described first and second alkane gas chromatographic analysis modules and the inlet end of the third fourth pentane gas chromatographic analysis module respectively；Gas to be detected pumps into the first and second alkane gas chromatographic analysis modules by sample air pump simultaneously and the third fourth pentane gas chromatographic analysis module carries out hydrocarbon gas content detection；Described data processing equipment electrically connects with described first and second alkane gas chromatographic analysis modules and the third fourth pentane gas chromatographic analysis module respectively；Described housing upper end has power supply wiring port and carrier gas connectivity port connects power supply and carrier gas source respectively.
2. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 1, it is characterised in that described data processing equipment includes signaling conversion circuit module, Data Integration processing module and wireless transport module；The data signal of the first and second alkane gas chromatographic analysis modules and the output of the third fourth pentane gas chromatographic analysis module is converted to digital signal through signaling conversion circuit module, Data Integration processing module collect digital signal carry out digital filtering, compress and packing process integrate out final data, final data integration gone out through wireless transport module afterwards beams back the comprehensive logging system in the instrument shelter of well site.
3. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 2, it is characterised in that the outer tip end of described housing be additionally provided with wireless transport module with the use of antenna.
4. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 1, it is characterized in that, described sample gas processing means includes filter element and drying unit, and the gas entrance sample gas processing means of described semipermeable membrane degasser output carries out filtering and dried output entrance sample air pump successively.
5. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 1, it is characterized in that, the detector that described first and second alkane gas chromatographic analysis modules and the third fourth pentane gas chromatographic analysis module use is the micro thermal conductivity detector manufactured and designed based on MEMS technology.
6. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 1, it is characterised in that described semipermeable membrane degasser top has helicitic texture, it is simple to be tightly connected with sample gas processing means；Described semipermeable membrane degasser is provided with near the position of bottom in sealing the cannelure installing semipermeable membrane, described cannelure and seals partition with semipermeable membrane degasser body with the interruption of material；The described cannelure cut off is respectively arranged at two ends with air inlet and venthole.
7. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 6, it is characterised in that the effective film separating area of described semipermeable membrane degasser is 18000mm2-20000mm2。
8. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 6, it is characterized in that, described semipermeable membrane degasser is diameter 140mm-160mm, the cylindrical structural of a length of 100m-130mm, described cannelure is arranged at distance bottom 25mm-30mm, and the degree of depth of described cannelure is 15mm-20mm, width is 35mm-45mm；The distance of described air inlet and venthole and cannelure lower edges is 5mm-10mm.
9. situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph as claimed in claim 1, it is characterised in that described temperature control equipment is in chromatograph reliable operating temperature for the temperature controlled within chromatograph；Described temperature control equipment uses semiconductor chilling plate to do temperature-compensating to chromatograph inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620336271.9U CN205720124U (en) | 2016-04-20 | 2016-04-20 | A kind of situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620336271.9U CN205720124U (en) | 2016-04-20 | 2016-04-20 | A kind of situ of drilling well detection drilling fluid hydrocarbon gas content gas chromatograph |
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| CN205720124U true CN205720124U (en) | 2016-11-23 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812264A (en) * | 2019-03-19 | 2019-05-28 | 辽宁石油化工大学 | It is a kind of for the survey mud logging equipment of underground real-time detection and its application |
| CN116068114A (en) * | 2021-12-22 | 2023-05-05 | 中国石油天然气集团有限公司 | Device system for alternately and rapidly analyzing continuous light hydrocarbon in logging and analysis method thereof |
-
2016
- 2016-04-20 CN CN201620336271.9U patent/CN205720124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812264A (en) * | 2019-03-19 | 2019-05-28 | 辽宁石油化工大学 | It is a kind of for the survey mud logging equipment of underground real-time detection and its application |
| CN116068114A (en) * | 2021-12-22 | 2023-05-05 | 中国石油天然气集团有限公司 | Device system for alternately and rapidly analyzing continuous light hydrocarbon in logging and analysis method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180727 Address after: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee after: Well Logging Company of Sinopec Zhongyuan Petroleum Engineering Co., Ltd. Patentee after: SINOPEC OILFIELD SERVICE CORPORATION Co-patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING CO., LTD. Address before: 100029 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Co-patentee before: Well Logging Company of Sinopec Zhongyuan Petroleum Engineering Co., Ltd. Patentee before: SINOPEC OILFIELD SERVICE CORPORATION |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220214 Address after: 100028 Chaoyang District, Beijing Hui Xin Street 6, Twelfth level. Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: Sinopec Jingwei Co.,Ltd. Patentee after: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee after: Zhongyuan measurement and control company of Sinopec Jingwei Co.,Ltd. Address before: 100028 Chaoyang District, Beijing Hui Xin Street six, Twelfth level. Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: WELL LOGGING COMPANY OF SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. Patentee before: SINOPEC ZHONGYUAN PETROLEUM ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |