CN1940520A - Crude oil additive heat treatment simulation method and device - Google Patents
Crude oil additive heat treatment simulation method and device Download PDFInfo
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- CN1940520A CN1940520A CN 200510105809 CN200510105809A CN1940520A CN 1940520 A CN1940520 A CN 1940520A CN 200510105809 CN200510105809 CN 200510105809 CN 200510105809 A CN200510105809 A CN 200510105809A CN 1940520 A CN1940520 A CN 1940520A
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- 239000010779 crude oil Substances 0.000 title claims abstract description 148
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000000654 additive Substances 0.000 title claims abstract description 22
- 230000000996 additive effect Effects 0.000 title claims abstract description 22
- 238000010438 heat treatment Methods 0.000 title claims abstract description 15
- 238000004088 simulation Methods 0.000 title claims abstract description 13
- 238000003860 storage Methods 0.000 claims abstract description 68
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003921 oil Substances 0.000 claims abstract description 22
- 238000012360 testing method Methods 0.000 claims abstract description 11
- 239000000126 substance Substances 0.000 claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 54
- 238000005452 bending Methods 0.000 claims description 40
- 229910052757 nitrogen Inorganic materials 0.000 claims description 28
- 239000003795 chemical substances by application Substances 0.000 claims description 18
- 238000012946 outsourcing Methods 0.000 claims description 18
- 238000007669 thermal treatment Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000011160 research Methods 0.000 abstract description 2
- 239000011521 glass Substances 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005553 drilling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention relates to a crude oil additive heat treatment simulation method and a crude oil additive heat treatment simulation device, which relate to the technical field of pipeline crude oil additive heat treatment researches in the testing and pipeline system which are not included in other types. The method is characterized in that a crude oil storage tank (6), a bent pipe (19) with two ends respectively communicated with the bottom and the upper part of the crude oil storage tank (6) and a metering pump (15) connected in series between the crude oil storage tank (6) and the bent pipe (19) form a crude oil conveying circulation pipeline, a temperature-controllable circulation water jacket (7) and a temperature-controllable circulation water jacket (18) are wrapped outside the crude oil storage tank (6) and the bent pipe (19) to control the temperature of an oil sample in the crude oil storage tank (6) and the bent pipe (19), the metering pump (15) is started according to pipe conveying conditions, crude oil circularly flows in the bent pipe (19) and the crude oil storage tank (6), meanwhile, a chemical additive is proportionally injected in the crude oil conveying circulation pipeline by a miniature metering pump (11), and after a temperature change process is simulated, the crude oil sample is pumped out and injected into a testing device.
Description
Technical field
The present invention is that the simulative tube output oil adds agent thermal treatment to measure a kind of crude oil additive heat treatment analog method and the device of its rheological characteristics and other physical index.Relate to test not to be covered of other class and piping system technical field.
Background technology
The simulative tube output oil adds the essential link that the agent heat treatment process is research crude oil rheological characteristics under the defeated condition of pipe, add agent thermal treatment, measure its corresponding rheological parameter by the simulative tube output oil, can make us understand the state that crude oil flows well in pipeline, thereby provide technical service and support for oil transportation production.
The special glass container that at present generally adopts flexible pipe will have the recirculated water chuck links to each other with program control water-bath, during simulated experiment quantitative crude oil and chemical addition agent are added above-mentioned glass container, adopt the electric mixer continuous stirring, temperature variations under the defeated condition of program control water-bath simulative tube is controlled the water temperature in the glass container recirculated water chuck simultaneously, thereby the temperature of crude oil oil sample in the control glass container, until finishing a temperature variation flow process, clamp the flexible pipe that connects water-bath and glass container, take out paddle, pour the crude oil sample in the glass container of handling into proving installation and measure.The deficiency that this method exists mainly contains two aspects: it is bigger at first to use electric mixer to stir crude oil under the defeated condition of simulative tube suffered shear action and actual condition gap; Secondly glass container can't be accomplished to seal fully, and in the heating crude oil processing procedure, light components wherein is easy to vapor away, thereby influences test result, exists than large deviation with actual pipeline sampling test result.
Summary of the invention
The objective of the invention is to invent that a kind of operating process is simple, measurement data accurately the simulative tube output oil add a kind of crude oil additive heat treatment analog method and the device of agent thermal treatment and sampling and testing.
The present invention is with crude oil storage tank 6, the bending pipe 19 that two ends are connected with crude oil storage tank 6 bottoms and top respectively and be serially connected in crude oil storage tank 6, volume pump 15 between the bending pipe 19 constitutes the Crude Oil Transportation circulation line, start volume pump 15 according to the defeated condition of pipe, crude oil is circulated in bending pipe 19 and crude oil storage tank 6, temperature with crude oil oil sample in crude oil storage tank 6 and bending pipe 19 outsourcing temperature control equipments control crude oil storage tank 6 and the bending pipe 19, simultaneously by volume pump 11 at crude oil storage tank 6, charge door in the Crude Oil Transportation circulation line that volume pump 15 and bending pipe 19 constitute injects chemical addition agent in proportion, after a temperature variation flow process was finished in simulation, the crude oil sample that will be handled by volume pump 15 pumped into proving installation by sample cock 12 and tests.Specifically be exactly that volume pump 15 is connected between airtight crude oil storage tank 6 bottoms and bending pipe 19 1 ends, squeeze into bending pipe 19 by setting flow pumping crude oil, the other end that connects crude oil storage tank 6 tops from bending pipe 19 returns crude oil storage tank 6, constitute circulating of crude oil, control the water temperature of the recirculated water chuck of crude oil storage tank 6 and 19 outsourcings of bending pipe with program control water-bath, transferring oil temperature and situation of change under the defeated condition of simulative tube, simultaneously in the Crude Oil Transportation circulation line, inject chemical addition agent in proportion by charge door by the miniature volume pump 11 that is connected between volume pump 15 and the crude oil storage tank 6, after a temperature variation flow process is finished in simulation, stop to bending pipe 19 pumping crude oil, pump crude oil sample and squeeze into proving installation by being connected on the outer sample tap of volume pump 15 outlet.True in order to simulate, in the crude oil storage tank 6 air can not be arranged, and then guarantee also do not have air in the Crude Oil Transportation circulation line, so will take the measure of secluding air in crude oil storage tank 6, the general method of filling nitrogen of using gets final product.Because this method is wanted the various operating modes of simulative tube output oil; discharge pressure is all quite high; in addition volume pump 15 is constantly suppressed and is not had a pressure release in this circulation line; may make the pressure in the crude oil storage tank 6 reach hazard level; in order to guarantee safety, also the overpressure protection measure should be arranged on the top of crude oil storage tank 6.
A kind of crude oil additive thermal treatment analogue means that adopts said method mainly is made up of bending pipe 19, miniature volume pump 11 and the sample cock 12 of the crude oil storage tank 6 of outsourcing recirculated water chuck 7, volume pump 15, outsourcing recirculated water chuck 18.Specifically as shown in Figure 1, crude oil storage tank 6 bottoms of outsourcing recirculated water chuck 7 have mouth to connect crude oil tank- outlet valve door 9,9 outlets of crude oil tank-outlet valve door connect three-way pipe, this three-way pipe connects miniature volume pump 11 to horizontal direction through adding agent valve 10, connect a three-way pipe again after connecing volume pump 15 downwards, the horizontal direction of this three-way pipe accesses sample valve 12, connect downwards the bending pipe 19 of outsourcing recirculated water chuck 18, and the other end of bending pipe 19 is gone into tank valve 21 by crude oil and is communicated with the top of crude oil storage tank 6 through volume pump outlet valve 14.Be secluding air, have two mouths respectively to connect nitrogen inlet valve 3 and nitrogen outlet valve 22 at the top of crude oil storage tank 6, and nitrogen inlet valve 3 be connected to source nitrogen, the 22 outer emptying of nitrogen outlet valve.Be safety, have mouth to connect a safety valve 2 on crude oil storage tank 6 tops, this safety valve 2 is a kind of high pressure relief valves, multiple city pin product is arranged, as long as appropriate the selection.The recirculated water chuck of crude oil storage tank 6 in this device and 19 outsourcings of bending pipe is to distinguish the outsourcings similar recirculated water chuck 7 and 18 of shape with it at crude oil storage tank 6 with bending pipe 19, this recirculated water chuck 7 and 18 communicates the heat-insulation layer 8 and 17 that recirculated water chuck 7 and 18 outsourcings are made of insulation material or vacuum heat-insulating layer by recirculated water inlet 16,13 and circulating water outlet 5,20 respectively with program control water-bath.Certainly, reinforced valve 1 of conventional crude oil and tensimeter 23 also should be arranged at the top of crude oil storage tank 6.Be the convenient crude oil storage tank 6 that cleans, the tank deck of crude oil storage tank 6 can be made reassembling type, and promptly tank body is suitable for reading a flange, twists cover and tank body solid by a plurality of bolts 4 that seal.
Description of drawings
A kind of crude oil additive thermal treatment of Fig. 1 analogue means pie graph
Wherein
The 1-crude oil valve 2-safety valve that feeds in raw material
3-nitrogen inlet valve 4-seals bolt
5-circulating water outlet 6-crude oil storage tank
7-recirculated water chuck 8-heat-insulation layer
9-crude oil tank-outlet valve door 10-adds the agent valve
The miniature volume pump 12-of 11-sample cock
13-recirculated water inlet 14-volume pump outlet valve
15-volume pump 16-recirculated water inlet
17-heat-insulation layer 18-recirculated water chuck
19-bending pipe 20-circulating water outlet
21-crude oil is gone into tank valve 22-nitrogen outlet valve
The 23-tensimeter
Embodiment
Embodiment. the invention will be further described and concrete enforcement of the present invention is described with this example.This example constitutes a kind of crude oil additive thermal treatment analogue means by formation shown in Figure 1 and structure.Crude oil storage tank 6 is formed by two ends cap seal circle flat board about the pipe in this device, and its physical dimension is: external diameter 210mm, and high 500mm, wall thickness 10mm is made by the 70# steel; At crude oil storage tank 6 top cover center drillings, connect the reinforced valve 1 of crude oil behind the pipeline section of hole external welding Φ 30mm, wall thickness 5mm, respectively open a hole in the center pit both sides, wherein connect nitrogen inlet valve 3 behind the pipeline section of a hole external welding Φ 20mm, wall thickness 3mm, the outlet of nitrogen inlet valve 3 is connected to source nitrogen, connect nitrogen outlet valve 22 behind the pipeline section of an other hole external welding Φ 20mm, wall thickness 3mm, the 22 outlet emptying of nitrogen outlet valve, nitrogen inlet valve 3 and nitrogen outlet valve 22 models are the J91H/W needle valve; Open two holes in addition on crude oil storage tank 6 top covers, external welding one model in hole is that A21H micro-open type stainless steel safety valve 2 and model are Y-60B-F stainless steel pressure table 23; At crude oil storage tank 6 bottom center drillings, connect crude oil tank-outlet valve door 9 behind the pipeline section of hole external welding Φ 40mm, wall thickness 3mm, its model is the manual stainless steel through type of a Q41F ball valve; Crude oil tank-outlet valve door 9 outlet connects volume pump 15 under connecing behind the three-way pipe, the side connects miniature volume pump 11 after connecing and adding agent valve 10, volume pump 15 models are NIKKISO AH quantitative dosing pump, its flow range 0.035～31L/min, miniature volume pump 11 is selected the miniature volume pump of KNF FME08 microcomputerized control, its flow range 0.08～80ml/min for use; Connect three-way pipe in volume pump 15 outlets, connect volume pump outlet valve 14 under this three-way pipe, the side accesses sample valve 12; 14 outlets of volume pump outlet valve connect bending pipe 19, bending pipe 19 is the 70# steel steel pipe of Φ 40mm, wall thickness 10mm, long 5m, bending pipe 19 curve the other end after " bow " shape through crude oil go into the Φ 40mm of the hole external welding of tank valve 21 and the top of crude oil storage tank 6 opening, the pipeline section of wall thickness 10mm links to each other; The model that crude oil tank-outlet valve door 9, volume pump outlet valve 14 and crude oil are gone into tank valve 21 is the manual stainless steel through type of a Q41F ball valve; Sample cock 12 models are Q11F two-chip type stainless steel ball valve, and adding agent valve 10 models is Q11F two-chip type stainless steel ball valve; The recirculated water chuck 7 of crude oil storage tank 6 outsourcings is that the circle of the 70# steel steel pipe upper end cap seal Φ 300mm of Φ 270mm, high 530mm, wall thickness 6mm, thick 6mm is dull and stereotyped, the circle of lower end cap seal Φ 270mm, thick 6mm is dull and stereotyped, oil sample circulation line import and export at crude oil storage tank 6 external nitrogen inlet valves 3, nitrogen outlet valve 22, safety valve 2, tensimeter 23, crude oil storage tank 6 all adopts also opening of recirculated water chuck 6 and 17, allows them pass and sealing.
This device is exactly according to crude oil storage tank 6, volume pump 15 is connected in series and with bending pipe 19 they is connected and composed the circulation line of simulative tube output oil, connect miniature volume pump 11 by before volume pump 15 inlets and in circulation line, add chemical agent in proportion, access sample valve 12 to pump oil sample on volume pump 15 endpiece side, simultaneously in crude oil storage tank 6 and bending pipe 19 outsourcing recirculated water chucks 7 and 18 temperature with control crude oil, the final stand oil temperature that realizes, certain chemical addition agent, certain oil pressure and flow condition simulation pipeline oil down add this method of agent thermal treatment operating mode, after a temperature variation flow process is finished in simulation, pump crude oil sample and squeeze into proving installation and test.
Adopt this method and device, in crude oil storage tank 6, add Daqing crude oil 10L from the reinforced valve 1 of crude oil, open crude oil and go into tank valve 21, start source nitrogen and pass through nitrogen inlet valve 3 to crude oil storage tank 6 upper spaces and bent pipe 19 inflated with nitrogen, open nitrogen outlet valve 22, to close nitrogen outlet valve 22 after the air emptying, continue inflated with nitrogen; The flow of setting volume pump 15 is 6L/min and starts, and opens crude oil tank-outlet valve door 9 and volume pump outlet valve 14, and crude oil is circulated in crude oil storage tank 6 and bending pipe 19; Regulate program control bath temperature to 65 ℃ and start program control water-bath pumping circulation water in the recirculated water chuck 7 and 18 of crude oil storage tank 6 and bending pipe 19, make the oily temperature in crude oil storage tank 6 and the bending pipe 19 reach design temperature, regulate miniature volume pump 11 afterwards, make its ratio crude oil in circulation line add pour-point depressant in 100ppm; Set program control water-bath, make the water temperature in recirculated water chuck 7 and 18 drop to 25 ℃ from 65 ℃, close volume pump outlet valve 14, open sample cock 12, oil sample is squeezed into proving installation test with the speed of 0.5 ℃/min; After treating that oil sample has been got, close sample cock 12, open volume pump outlet valve 14, use sherwood oil cleaning experiment pipeline, close volume pump 15 afterwards, close crude oil tank-outlet valve door 9, close crude oil and go into tank valve 21, prepare another simulated technological process again.With the simulation that the present invention's method and device are done, after tested, survey with the agent thermal treatment oil sample that adds under the defeated condition of the on-the-spot same pipe of Qinhuangdao Station, its result is identical, and operation is also very simple.
Therefore the present invention's method, device are simple, simulates true to naturely, and the test data after the simulation is accurate, can be the crude oil additive Study of Heat Treatment provide convenience, accurately, reliable experimental simulation means.
Claims (9)
1. a Simulation of Crude Oil adds a kind of crude oil additive heat treatment analog method of agent thermal treatment and sampling and testing, it is characterized in that with crude oil storage tank (6), the bending pipe (19) that two ends are connected with crude oil storage tank (6) bottom and top respectively and be serially connected in crude oil storage tank (6), volume pump (15) between the bending pipe (19) constitutes the Crude Oil Transportation circulation line, control the temperature of crude oil oil sample in crude oil storage tank (6) and the bending pipe (19) with the chuck of crude oil storage tank (6) and bending pipe (19) outsourcing controllable temperature, start volume pump (15) according to the defeated condition of pipe, crude oil is circulated in bending pipe (19) and crude oil storage tank (6), simultaneously in the Crude Oil Transportation circulation line, inject chemical addition agent in proportion by volume pump (11), after a temperature variation flow process was finished in simulation, the taking-up crude oil sample was squeezed into proving installation and is tested.
2. a kind of crude oil additive heat treatment analog method according to claim 1, it is characterized in that volume pump (15) is connected between airtight crude oil storage tank (6) bottom and bending pipe (19) one ends, squeeze into bending pipe (19) by setting flow pumping crude oil, the other end that connects crude oil storage tank (6) top from bending pipe (19) returns crude oil storage tank (6), constitute circulating of crude oil, with the water temperature in the recirculated water chuck of program control water-bath control crude oil storage tank (6) and bending pipe (19) outsourcing, transferring oil temperature and situation of change under the defeated condition of simulative tube, simultaneously in the Crude Oil Transportation circulation line, inject chemical addition agent in proportion by charge door by the miniature volume pump (11) that is connected between volume pump (15) and the crude oil storage tank (6), after a temperature variation flow process is finished in simulation, stop to bending pipe (19) pumping crude oil, pump crude oil sample and squeeze into proving installation by being connected on the outer sample tap of volume pump (15) outlet.
3. a kind of crude oil additive heat treatment analog method according to claim 1 and 2 is characterized in that the measure that the nitrogen secluding air is taked to fill in crude oil storage tank (6) top.
4. a kind of crude oil additive heat treatment analog method according to claim 1 and 2 is characterized in that also having the overpressure protection measure on crude oil storage tank (6) top.
5. according to a kind of crude oil additive thermal treatment analogue means of the described a kind of crude oil additive heat treatment analog method of claim 1, it is characterized in that it is mainly by the crude oil storage tank (6) of outsourcing recirculated water chuck, volume pump (15), the bending pipe (19) of outsourcing recirculated water chuck, miniature volume pump (11) and sample cock (12) are formed, crude oil storage tank (6) bottom has mouth to connect crude oil tank-outlet valve door (9), crude oil tank-outlet valve door (9) connects three-way pipe, this three-way pipe connects miniature volume pump (11) to horizontal direction through adding agent valve (10), connect a three-way pipe again after connecing volume pump (15) downwards, the horizontal direction of this three-way pipe accesses sample valve (12), connect bending pipe (19) through volume pump outlet valve (14) downwards, and the other end of bending pipe (19) is gone into tank valve (21) by crude oil and is communicated with the top of crude oil storage tank (6).
6. a kind of crude oil additive thermal treatment analogue means according to claim 5 it is characterized in that having two mouths respectively to connect nitrogen inlet valve (3) and nitrogen outlet valve (22) at crude oil storage tank (6) top, and nitrogen inlet valve (3) is connected to source nitrogen.
7. a kind of crude oil additive thermal treatment analogue means according to claim 5 is characterized in that having mouth to connect a safety valve (2) on crude oil storage tank (6) top.
8. a kind of crude oil additive thermal treatment analogue means according to claim 5, the outsourcing recirculated water chuck that it is characterized in that described crude oil storage tank (6) and bending pipe (19) is to distinguish the outsourcing similar recirculated water chuck (7) of shape with it at crude oil storage tank (6) and bending pipe (19), (18), this recirculated water chuck (7), (18) respectively by recirculated water inlet (16), (13) and circulating water outlet (5), (20) communicate with program control water-bath, in recirculated water chuck (7), (18) heat-insulation layer (8) that constitutes by insulation material or vacuum heat-insulating layer of outsourcing, (17).
9. a kind of crude oil additive thermal treatment analogue means according to claim 7 is characterized in that described safety valve (2) is a kind of high pressure relief valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101058091A CN100526845C (en) | 2005-09-29 | 2005-09-29 | Crude oil additive heat treatment simulation method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101058091A CN100526845C (en) | 2005-09-29 | 2005-09-29 | Crude oil additive heat treatment simulation method and device |
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| Publication Number | Publication Date |
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| CN1940520A true CN1940520A (en) | 2007-04-04 |
| CN100526845C CN100526845C (en) | 2009-08-12 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086968A (en) * | 2009-12-04 | 2011-06-08 | 中国石油天然气股份有限公司 | Crude oil pipe transportation process simulation and automatic testing method and system |
| CN102288744A (en) * | 2011-07-29 | 2011-12-21 | 中国石油天然气股份有限公司 | Heavy oil storage stability test method and equipment |
| CN102384970A (en) * | 2011-08-19 | 2012-03-21 | 中国石油天然气股份有限公司 | Light crude oil circulating gas injection low-temperature oxidation experimental method and device |
| CN102087191B (en) * | 2009-12-04 | 2012-10-17 | 中国石油天然气股份有限公司 | Testing arrangement of crude oil viscosity |
| CN103424538A (en) * | 2012-05-15 | 2013-12-04 | 中国石油天然气股份有限公司 | Simulation method and system for oil product storage tank |
| CN103983493A (en) * | 2014-05-30 | 2014-08-13 | 中华人民共和国山东出入境检验检疫局 | Preparation device of liquid petroleum and petroleum product capacity testing sample |
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| US11718801B2 (en) | 2019-09-16 | 2023-08-08 | Saudi Arabian Oil Company | Apparatus to simulate biocide performance in crude pipeline conditions |
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2005
- 2005-09-29 CN CNB2005101058091A patent/CN100526845C/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086968A (en) * | 2009-12-04 | 2011-06-08 | 中国石油天然气股份有限公司 | Crude oil pipe transportation process simulation and automatic testing method and system |
| CN102087191B (en) * | 2009-12-04 | 2012-10-17 | 中国石油天然气股份有限公司 | Testing arrangement of crude oil viscosity |
| CN102086968B (en) * | 2009-12-04 | 2013-10-23 | 中国石油天然气股份有限公司 | Crude oil pipe transportation process simulation and automatic testing method and system |
| CN102288744A (en) * | 2011-07-29 | 2011-12-21 | 中国石油天然气股份有限公司 | Heavy oil storage stability test method and equipment |
| CN102288744B (en) * | 2011-07-29 | 2015-10-28 | 中国石油天然气股份有限公司 | Heavy oil storage stability test method and equipment |
| CN102384970A (en) * | 2011-08-19 | 2012-03-21 | 中国石油天然气股份有限公司 | Light crude oil circulating gas injection low-temperature oxidation experimental method and device |
| CN102384970B (en) * | 2011-08-19 | 2014-07-02 | 中国石油天然气股份有限公司 | Light crude oil circulating gas injection low-temperature oxidation experimental method and device |
| CN103424538A (en) * | 2012-05-15 | 2013-12-04 | 中国石油天然气股份有限公司 | Simulation method and system for oil product storage tank |
| CN103983493A (en) * | 2014-05-30 | 2014-08-13 | 中华人民共和国山东出入境检验检疫局 | Preparation device of liquid petroleum and petroleum product capacity testing sample |
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| Publication number | Publication date |
|---|---|
| CN100526845C (en) | 2009-08-12 |
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Effective date of registration: 20211110 Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013 Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Address before: Intercontinental building, 16 ande Road, Dongcheng District, Beijing 100011 Patentee before: PetroChina Company Limited |
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