WO2007142554A2 - Installation pour tester les propriétés de gaz ou de pétrole - Google Patents

Installation pour tester les propriétés de gaz ou de pétrole Download PDF

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Publication number
WO2007142554A2
WO2007142554A2 PCT/RU2007/000294 RU2007000294W WO2007142554A2 WO 2007142554 A2 WO2007142554 A2 WO 2007142554A2 RU 2007000294 W RU2007000294 W RU 2007000294W WO 2007142554 A2 WO2007142554 A2 WO 2007142554A2
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WO
WIPO (PCT)
Prior art keywords
piston
valve
program
pump
controlled
Prior art date
Application number
PCT/RU2007/000294
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English (en)
Russian (ru)
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WO2007142554A3 (fr
WO2007142554A9 (fr
Inventor
Vadim Vyacheslavovich Nikolashev
Vyacheslav Grigorievich Nikolashev
Vladimir Fedorovich Myasnikov
Anatoliy Fedorovich Savchenko
Original Assignee
Obshchestvo S Ogranichennoy Otvetstvennostyu Glo-Bel Nefteservis
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Obshchestvo S Ogranichennoy Otvetstvennostyu Glo-Bel Nefteservis filed Critical Obshchestvo S Ogranichennoy Otvetstvennostyu Glo-Bel Nefteservis
Publication of WO2007142554A2 publication Critical patent/WO2007142554A2/fr
Publication of WO2007142554A9 publication Critical patent/WO2007142554A9/fr
Publication of WO2007142554A3 publication Critical patent/WO2007142554A3/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/02—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material
    • G01N11/04—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture
    • G01N11/08—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by measuring flow of the material through a restricted passage, e.g. tube, aperture by measuring pressure required to produce a known flow
    • 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
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • E21B49/08—Obtaining fluid samples or testing fluids, in boreholes or wells

Definitions

  • the present invention relates to installations for researching oil and relates both to the design of individual parts of such installations and to the relationships between them, and can be used, in particular, in installations for studying the properties of oil and gas in reservoir conditions.
  • the invention can be used in the oil industry, including in fields where the dissolved gas mode is widely developed.
  • the disadvantage of this device is the use of mercury as a working fluid due to the high toxicity of mercury, as well as distortion of the results in the study of sulfur dioxide caused by mercury.
  • the closest in technical essence and the achieved result is a UIPH-2 installation for studying reservoir oil and gas, which includes a piston container with a sample, a unit for transferring samples from a piston container to a measuring press and circulation pump, upper and lower manifolds, a ball viscometer, thermostatic control system (V. H. Mamuna, G. F. Trebin, B. V. Ulyaninsky, Experimental study of reservoir oils, GOSINTI, Moscow 1960, p.40).
  • the unit for transferring the sample from the piston container to the measuring press and circulation pump consists of a liquid 94
  • adjustable pump with pressure tank, and an intermediate tank.
  • the measuring press of the installation consists of a cylinder, a piston moving inside the cylinder from an electromechanical drive, a linear stationary scale and a rotating dial connected with the drive, by which the volume occupied by the oil in the measuring press is determined.
  • the circulation pump for mixing the sample in the measuring press in order to establish phase and thermal equilibrium is made in the form of an electromagnetic pump.
  • the circulation electromagnetic pump of the installation consists of a non-magnetic steel casing, in the covers of which there are upper and lower fittings. Inside the casing is an iron core with a poppet discharge valve. A solenoid is placed on the casing, to which a DC voltage is applied periodically (60 times per minute). The resulting magnetic field is not absorbed by the non-magnetic pump casing and acts on the iron core-piston, pulling it up. At the moment when voltage is not supplied to the solenoid, the retracting magnetic field is removed, and the core-piston under the forces of its own weight and return spring returns to the lower position.
  • the piston Under the influence of a periodically arising magnetic field and the repulsive force of the spring, the piston acquires a reciprocating motion. During the upward stroke, a vacuum is created under the piston, the suction valve opens, and oil enters the pump cylinder through an opening in the lower fitting. At the same time, the piston pushes a previously received portion of oil through the upper fitting. Moving up and down periodically, the piston pumps oil from the bottom of the press to the top.
  • the viscometer installation refers to the type of devices in which the viscosity of the liquid sample is determined by the rolling time of the ball in an inclined tube filled with the test liquid.
  • the UIPH-2 installation has a number of drawbacks: the sample transfer unit has a liquid adjustable pump, with a manual feed control system, which must be coordinated with the performance of the measuring press and use an intermediate tank filled with oil, softening the pulsating flow of the liquid pump, which leads to pressure surges in a piston container and measuring press; ball viscometer has the disadvantage that any impurities or any narrowing of the bore of the tube of the viscometer leads to "stick" of the ball, which leads to measurement errors; the presence of a circulating electromagnetic pump with a high and uncontrolled response speed of the core-piston leads to the fact that oil from the lower part of the press enters the upper part of the press, when tested, filled with gas, in the form of an atomized cloud of oil, which is additionally saturated with gas, which slows the establishment of equilibrium in the oil-gas system and reduces the accuracy of measurements; the design of the measuring press does not allow to determine the volume of gas inside the measuring press; Separate thermostating of the measuring press and the viscometer can lead
  • the main drawback of the operation of the UIPH-2 installation is the need to manually coordinate the supply of the liquid pump and the performance of the measuring press during sample transfer; the unreliability of the ball viscometer; inefficient operation of the circulation pump; the inability to automate measurements and, accordingly, their computer display in real time.
  • the listed disadvantages of the operation of the UIPH-2 installation reduce the accuracy of determining the measured characteristics of samples in reservoir conditions.
  • the basis of the invention is the task of increasing the efficiency and reliability of the installation for studying the properties of oil and gas, and accordingly, increasing the accuracy of measuring the characteristics of samples when determining them in reservoir conditions.
  • the essence of solving this problem lies in the fact that in the installation for studying the properties of oil and gas in reservoir conditions, including a piston container with a sample, equipped with an upper valve and a lower valve, a unit for transferring the sample from the piston container to a measuring press, which contains a cylinder with a hole in the upper base of the cylinder to fill it with a breakdown, a piston moving inside the cylinder, a pressure sensor, a linear piston displacement sensor, a circulation pump, a viscometer, a vacuum pump, a thermostatic system
  • a program-controlled multi-position pneumatic valve is installed on the lower valve of the piston container with a sample through its outlet, and the upper valve is connected to the valve of the vacuum pump and to the valve of the measuring press, the sample transfer unit from the piston container includes a vessel with working fluid, a system of
  • Elements of the inventive installation such as tees and program-controlled multi-position pneumatic valves, are themselves known, but their location, providing connectivity between installation elements is new.
  • Such elements of the measuring press of the inventive installation such as a floating piston, a hollow rod, an ultrasonic linear displacement sensor, an electronic linear displacement indicator, are also known per se. But new is the combination of essential design features: a floating piston with a sealing ring that divides the cylinder into two chambers, the presence of an ultrasonic sensor in the floating piston, the connection of the floating piston with an electronic linear displacement indicator through the measuring rod and the hollow rod, which is connected to the circulation system through the compensator oil.
  • An unexpected result of this design is the simultaneous determination of the exact volumes of both gas and oil in the upper chamber of the measuring press when the pressure in it is lower than the saturation pressure, which is maintained at the same pressure in the lower chamber of the measuring press.
  • Figure l shows a diagram of an installation for studying oil and gas in reservoir conditions, explaining the principle of operation of the installation.
  • An installation for studying oil and gas in reservoir conditions contains the following elements: a piston container 1, a separation piston 2, a sample chamber 3 with an upper valve 4 and a working fluid chamber 5 with a lower valve 6 connected to a multi-position pneumatic valve 7.
  • Sample transfer unit from the piston container 1 includes a system of two piston pumps 8 and 9, respectively, with actuators 10, 11, and pulse control units 12, 13, pressure sensors of the pumps 14 and 15, multi-position pneumatic valves 16 and 17, a vessel with a working th fluid 18.
  • the pressure sensor 14 is connected to the inlet 19 of the program-controlled multi-position pneumatic valve 16, and the pressure sensor 15 is connected to the inlet 20 of the program-controlled multi-position pneumatic valve 17, the outlet 21 of the program-controlled multi-position pneumatic valve 16 is connected to the vessel with the working fluid 18, and the outlet 22 of the program-controlled multi-position pneumatic valve 16 is connected to the vessel with the working fluid 18, the outlet e hole 23 software controlled multi-position pneumatic valve 16 is connected to the inlet 24 of the program-controlled multi-position pneumatic valve 7, and the outlet 25 of the program-controlled multi-position pneumatic valve 17 is connected to the hole 26 of the lower base 27 of the cylinder of the measuring press and simultaneously connected to the outlet 28 of the multi-position pneumatic valve 7 the side opening 29 of which is connected through the valve 6 to the chamber with the working fluid 5 of the piston container breakdown 1.
  • the measuring press includes a cylinder 30, an upper base 31 with an opening 32 for filling the cylinder; a breakdown connected to a pressure transducer 34 and an inlet 35 of a programmable multi-position pneumatic valve 36, which is connected to a viscometer through an outlet 37 and through an outlet 38 with a valve 39, which is connected to the valve 4 of the piston container 1 and to the valve 40 of the vacuum pump 41; lower chamber 42, floating piston 43, ultrasonic linear displacement transducer 44 with flexible wire connection 45, hollow stem 46, measuring rod 47, electronic linear displacement indicator 48, compensator 49, equipped with a valve 50 connected to the outlet 51 and 52 of the programmable three-position pneumatic valves 53 and 54 of the circulation pump.
  • the circulation pump includes a piston pump 55, a drive 56 with a pulse control unit 57, wherein the piston pump chamber is divided by the piston 58 into cavities 59 and 60, program-controlled multi-position pneumatic valves 53 and 54, whose inlets 61 and 62 are connected to the cavities 59, 60, and outlet openings 63 and 64 of program-controlled multiposition pneumatic valves 53, 54 are connected to a viscometer.
  • the viscometer includes a capillary 65, differential pressure gauge
  • 67, 68 are connected to tees 70 and 71, respectively.
  • one of the outputs of the tee 70 through a bypass with a program-controlled single pneumatic valve 69 is closed to the output of the tee 71, and
  • the second outlet of the tee 70 is connected to the outlet 37 of the program-controlled multi-position pneumatic valve 36 of the measuring press, and the second outlet of the tee 71 is connected to the outlet 63 of the program-controlled multi-position pneumatic valve 53 and to the outlet 64 of the program-controlled multi-position pneumatic valve 54 circulation pump.
  • a single thermostatic system 78 covers all elements of the installation.
  • the measuring press is prepared for filling the cylinder with the test sample: the holes 21, 25, 29 are closed, and the hole 23, 22, 28 is opened, and then the pumps 8 and 9 are turned on at the same time.
  • the pump 8 pumps the working fluid into the chamber 42 measuring press, and the pump 9 sucks the working fluid into itself, then at the same time stop the plunger of the pump 8 in its highest position, and the plunger of the pump 9 in its lowest position.
  • the hole 21 is opened, and the holes 23 and 22 are closed.
  • valve 40 Open the holes 38, 37, 72, 73, 74, 75, 69, 64, 52, 63, 51, valves 39, 40, 50 and pump out the air with a vacuum pump 41, and then close the valve 40.
  • pump 8 is used to pump the working fluid into the chamber 5, and pump 9 to pump the working fluid from the lower chamber 42 in equal volumes.
  • the dead volume of the measuring press and the circulation pump is filled as follows. Close the holes 22, 23, open the hole 21 and, turning on the pump 8, lower its plunger and get the working fluid from the vessel 18 into the pump 8, after which the hole 21 is closed, open the holes 23, 29, valve 6 and valve 4, and raising pump plunger 8, squeeze the working liquid into the lower chamber 5 of the piston container., stop the pump 8, close the holes 23, 29 open the hole 21 and turn on the pump 8, repeat the cycle of pumping the working fluid into the chamber 5 until the dead volume is completely filled. From the moment of filling the dead volume of the measuring press and the circulation pump and reaching the reservoir pressure in it, the set sample volume is set into the measuring press.
  • the pump 9 is turned on, closing the outlet 22 of the valve 17 and opening 25, and lower the plunger of the pump 9 at the same speed as the plunger 8. the plunger of the pump 8 to its extreme upper position, the pumps 8 and 9 are stopped.
  • the hole 23 is closed, the hole 21 is opened, the hole 25 is opened, the hole 22 is opened, the pumps 8 and 9 are turned on and, by raising the plunger of pump 9, the working fluid is pushed into the vessel 18. At the same time, using the pump 8, the working fluid is pumped into it from the vessel 18.
  • the pumps 8 and 9 are stopped. Close the openings 21, open the openings 23 and 29, close the openings 22, open the openings 25 and, turning on the pumps 8 and 9, repeat the cycle of pumping the working fluid into the chamber 5 and pumping out the working fluid from the chamber 42. In this case, the sample arrives from the chamber 3 into the upper chamber 33 while maintaining reservoir pressure.
  • the volume of oil in the upper chamber 33 is determined by the readings of an electronic indicator 48 linear displacements.
  • the operation of pumps 8 and 9 is continued until the required volume of oil is pumped into the upper chamber 33.
  • the circulation pump is started in the following order.
  • Holes 52, 63, 74 and 75 are closed.
  • the actuator 56 with the pulse control unit 57 is turned on so that the piston 58 is moved upward, while the sample from the cavity 60 is fed into the upper chamber 33.
  • the cavity 59 is filled through the hollow stem 46 and the previously opened valve 50 and the hole 51.
  • the pulse control unit 57 stops the drive 56, open the holes 52 and 63, close the holes 51 and 64 and reverse the drive 56 by the pulse control unit 57, and the sample from the cavity 59 is fed into the upper chamber 33 and the cavity 60 is filled with the sample through Leak stock 46.
  • the working fluid in the chamber 42 is pumped out until gas evolution from the oil begins in the upper chamber 33, which will be noticeable by the slowdown in the rate of pressure drop.
  • the saturation pressure will correspond to the inflection point on the graph of the dependence of the pressure on the oil volume obtained in real time according to the readings of the pressure sensor 34 and the electronic indicator 48 of linear displacements.
  • the pressure in the chamber 42 is slowly reduced to a pressure that is less than the saturation pressure, reaching at each time the equilibrium of the oil-gas system in the upper chamber 33.
  • the linear displacement of the ultrasonic sensor 44 fix the distance from the upper horizontal plane of the piston 43 to the gas-oil interface, which allows to determine the oil volume, and the gas volume is calculated as the difference between the total volume of the upper chamber 33, determined using an electronic indicator 48 linear displacements, and the oil volume determined using ultrasonic 44 linear displacement sensors.
  • the use of the inventive measuring press increases the accuracy of measuring the volume of oil and gas and additionally allows you to obtain continuous graphical dependence of pressure on volume for both oil and gas.
  • the on-off valve 69 is closed.
  • the speed of movement of the piston 58 is adjusted to the flow rate of the capillary 65 and the pressure range measured by the differential pressure gauge 66.
  • the volume of fluid pumped through the capillary is automatically calculated and a differential pressure gauge 66 measures the pressure drop. Since during the movement of the piston 58, the same sample volume is supplied from the cavity 60 to the measuring press, which is taken from it into the cavity 59, pressure pulsations at the ends of the viscometer capillary do not occur during the operation of the circulation pump, which simplifies and increases the accuracy of measuring viscosity.
  • ⁇ is the dynamic viscosity of oil, Pas; Q - space velocity, m 3 / sec; d is the diameter of the channel of the capillary, m; ⁇ p - pressure loss over the length of the capillary, Pa;
  • L is the length of the channel of the capillary
  • the invention provides for the use of the inventive installation for studying the properties of oil and gas in reservoir conditions to determine with high accuracy the volumes of oil and gas, as well as the viscosity of the oil in the sample.
  • An additional advantage of the claimed invention is a reduction in the time of measuring the characteristics of samples in reservoir conditions, which together with an increase in the accuracy of measurements increases the efficiency of industrial applications of the inventive installation.

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  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mining & Mineral Resources (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Biochemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
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  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

L'invention concerne une installation pour tester les propriétés de gaz ou de pétrole directement dans les formations; l'installation se présente comme un ensemble d'unités, réunies par des soupapes pneumatiques multipositions à commande programmable et disposées dans une cavité unique régulée par un thermostat. Le système d'unités comprend : un récipient à pistons muni d'une sonde, une unité de transfert entre le tuyau du récipient à piston et une presse de mesure, constituée de deux pompes à pistons possédant un même rendement et dont l'une transfère l'échantillon du récipient à pompe et l'autre, au moyen du liquide de travail, abaisse le piston flottant dans la presse de mesure; une presse de mesure munie d'un piston flottant à bielle creuse, d'un capteur ultrasonique de déplacements linéaires destiné à déterminer les quantités de pétrole et d'un capteur électronique de déplacements linéaires destiné à déterminer le volume global de pétrole et de gaz puis à calculer le volume de gaz; et une pompe à piston de recicrculation, divisée par le piston en deux chambre remplies de pétrole en alternance. Le regroupement de systèmes d'unités assure le fonctionnement de l'installation en deux modes : premièrement, en mode de circulation ininterrompue de pétrole dans une seule direction et, deuxièmement, en mode d'amenée de pétrole dans un viscosimètre doté d'une dérivation à soupape d'obturation servant à déterminer la viscosité; en outre, il permet de modifier le mode de fonctionnement de l'installation à tout moment et à n'importe quelle pression ou température.
PCT/RU2007/000294 2006-06-06 2007-06-04 Installation pour tester les propriétés de gaz ou de pétrole WO2007142554A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2006119543/06A RU2310072C1 (ru) 2006-06-06 2006-06-06 Установка для исследования пластовой нефти и газа
RU2006119543 2006-06-06

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WO2007142554A2 true WO2007142554A2 (fr) 2007-12-13
WO2007142554A9 WO2007142554A9 (fr) 2008-02-21
WO2007142554A3 WO2007142554A3 (fr) 2008-04-10

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797458A (zh) * 2012-06-07 2012-11-28 中国石油大学(北京) 用于边底水油藏的三维模拟装置
CN103590821A (zh) * 2012-08-16 2014-02-19 中国石油化工股份有限公司 一种油气成藏模拟实验装置及方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104453871B (zh) * 2014-10-16 2017-04-05 中国海洋石油总公司 油气井工作液储层保护效果静态测试法
CN109270117B (zh) * 2018-11-16 2023-10-27 中国矿业大学 一种裂隙试样渗流-传热过程中的数据测量装置与测量方法
CN109211972B (zh) * 2018-11-16 2023-10-27 中国矿业大学 裂隙试样渗流传热过程中水岩界面对流换热系数测量装置
RU190609U1 (ru) * 2019-01-22 2019-07-04 Андрей Александрович Павлов Перемешивающее устройство

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456726A (en) * 1968-02-21 1969-07-22 Halliburton Co Well tester for making dual measurements of closed-in well pressure and entrapping a well fluid sample
SU794430A1 (ru) * 1979-02-22 1981-01-07 Всесоюзный Нефтегазовый Научно- Исследовательский Институт Устройство дл исследовани фа-зОВыХ СОСТО Ний гАзО-жидКОСТНыХСМЕСЕй
SU832418A1 (ru) * 1979-04-20 1981-05-23 Государственный Научно-Исследовательскийи Проектный Институт Нефтяной Промышле-Ленности Устройство дл исследовани пластовыхжидКОСТЕй
RU2280160C2 (ru) * 2004-08-09 2006-07-20 Григорий Антонович Павленко Способ отбора глубинных проб с регистрацией температуры, давления и глубины по стволу скважины и в момент заполнения пробоприемной камеры скважинным флюидом или газом и устройство по его осуществлению

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3456726A (en) * 1968-02-21 1969-07-22 Halliburton Co Well tester for making dual measurements of closed-in well pressure and entrapping a well fluid sample
SU794430A1 (ru) * 1979-02-22 1981-01-07 Всесоюзный Нефтегазовый Научно- Исследовательский Институт Устройство дл исследовани фа-зОВыХ СОСТО Ний гАзО-жидКОСТНыХСМЕСЕй
SU832418A1 (ru) * 1979-04-20 1981-05-23 Государственный Научно-Исследовательскийи Проектный Институт Нефтяной Промышле-Ленности Устройство дл исследовани пластовыхжидКОСТЕй
RU2280160C2 (ru) * 2004-08-09 2006-07-20 Григорий Антонович Павленко Способ отбора глубинных проб с регистрацией температуры, давления и глубины по стволу скважины и в момент заполнения пробоприемной камеры скважинным флюидом или газом и устройство по его осуществлению

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Title
MAMUNA V.N.: 'Experimentalnoe issledovanie plastovykh neftey' M., GOSINTI 1960, pages 37 - 41 *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797458A (zh) * 2012-06-07 2012-11-28 中国石油大学(北京) 用于边底水油藏的三维模拟装置
CN102797458B (zh) * 2012-06-07 2016-01-20 中国石油大学(北京) 用于边底水油藏的三维模拟装置
CN103590821A (zh) * 2012-08-16 2014-02-19 中国石油化工股份有限公司 一种油气成藏模拟实验装置及方法
CN103590821B (zh) * 2012-08-16 2016-01-20 中国石油化工股份有限公司 一种油气成藏模拟实验装置及方法

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RU2310072C1 (ru) 2007-11-10
WO2007142554A9 (fr) 2008-02-21

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