WO2013147616A1 - Procédé et dispositif d'échantillonnage sous-marin - Google Patents

Procédé et dispositif d'échantillonnage sous-marin Download PDF

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Publication number
WO2013147616A1
WO2013147616A1 PCT/NO2013/050061 NO2013050061W WO2013147616A1 WO 2013147616 A1 WO2013147616 A1 WO 2013147616A1 NO 2013050061 W NO2013050061 W NO 2013050061W WO 2013147616 A1 WO2013147616 A1 WO 2013147616A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
chamber
sample
container
sampling
Prior art date
Application number
PCT/NO2013/050061
Other languages
English (en)
Inventor
Robert James COWMAN
Edward John RAFIPAY
Murray George STUART
Craig Andrew BAXTER
Original Assignee
Proserv Norge As
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.)
Filing date
Publication date
Application filed by Proserv Norge As filed Critical Proserv Norge As
Priority to US14/387,731 priority Critical patent/US20150075802A1/en
Priority to EP13769149.9A priority patent/EP2831373A4/fr
Publication of WO2013147616A1 publication Critical patent/WO2013147616A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/06—Measuring temperature or pressure
    • E21B47/07—Temperature
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B49/081—Obtaining fluid samples or testing fluids, in boreholes or wells with down-hole means for trapping a fluid sample
    • E21B49/082—Wire-line fluid samplers
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B49/086—Withdrawing samples at the surface
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/12—Dippers; Dredgers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N2001/1062—Sampling under constant temperature, pressure, or the like
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices
    • G01N2001/1445—Overpressure, pressurisation at sampling point
    • G01N2001/1454—Positive displacement, piston

Definitions

  • the invention relates to a method for keeping the content of a sample vessel at an essentially constant pressure. More specifically the invention relates to a method for maintain ⁇ ing the pressure conditions of a sample taken subsea while transporting the sample away from the location where it was taken. The invention also includes a device for practicing the method.
  • Cooling of fluids sampled subsea will cause contraction of the fluid and with the contraction a drop in pressure.
  • the subsequent drop in pressure may lead to gases entrained with ⁇ in the fluid releasing. Once the gases are released they can ⁇ not be re-dissolved within the liquid. Therefore precise la ⁇ boratory analysis cannot take place.
  • Devices that use pistons to allow evacuation of the sample vessel while keeping the fluid in phase state.
  • the object of the invention is to remedy or to reduce at least one of the disadvantages of the prior art, or at least to provide a useful alternative to the prior art.
  • the overall objective of the invention is to improve the quality of laboratory analysis of fluid samples taken subsea, primarily in the oil- and gas industry.
  • the sample content may be filled onto a sample vessel by a method and a device known per se, for example as described in Norwegian patent application no. 20110774, with the title "Method and device for filling a submerged sample bottle” and filed by the pre ⁇ sent applicant.
  • the invention thus makes it possible to analyse the subsea samples in their original fluid state in an on-shore or offshore laboratory facility.
  • the invention relates to a sampling device for subsea fluids, the sampling device comprising:
  • a sample container including a first chamber and a second chamber, the first and second chambers being isolated by a movable separating body;
  • the sampling device further comprises a pressure compensating de ⁇ vice, the pressure compensating device being adapted to com ⁇ pensate for pressure changes in the first chamber of the sam ⁇ ple container by regulating the pressure in the second chamber of the container and thereby moving the separating body .
  • the movable separating body of the sample container may in one embodiment be a piston, floating or connected to a piston rod. In other embodiments the movable separating body may be an elastic di ⁇ aphragm or a totally enclosed bladder.
  • the pressure sensing devices may be conventional pres ⁇ sure gauges as known to a person skilled in the art, may sense the pressure directly in the chambers of the sample container, or indirectly in fluids lines or other devices connected to the two chambers .
  • the pressure compensating device may com ⁇ prise an accumulator.
  • the accumulator may be a compressed inert gas accumulator.
  • the inert gas container may be external to the sample container, or the inert gas container may be integral with the sample container.
  • the accumulator may be directly connected to the second cham ⁇ ber of the sample container.
  • the accumulator may be indirectly connected to the second chamber of the sam ⁇ ple container by means of an actuator cylinder.
  • a piston rod of the actuator cylinder may be mechanically connected to a separating movable piston in the sample container.
  • the pressure compensating device may comprise a pump or a linear actuator, both in fluid communication with the second chamber of the sampling device.
  • the pump may be reversible, and the linear actuator may be mechanic, hydraulic, or pneumatic.
  • the invention in a second aspect relates to a method for sub- sea sampling of fluids by means of a sampling device accord ⁇ ing to the above description, the method comprising the steps of:
  • the separating body and the pressure compensating device are used to overcome the large temperature fluctuations seen in the subsea environment, samples can be taken at wellhead pressures which can be in excess of 120°C.
  • the sample con ⁇ tainer, once removed from the sample point, is exposed to sea bed temperatures close to 0°C.
  • Calculations in line with API 521 show the effect of tempera ⁇ ture on fluids to have a significant effect on pressure.
  • the pressure compensating device according to the invention will make up any pressure differential due to temperature changes as will be seen in a subsea environment.
  • the pressure compen ⁇ sating device will also act as a safety device if the temper ⁇ ature increases. If the sampling device is in danger of be ⁇ coming over pressurised by a temperature increase, the pressure compensating device will allow fluid expansion while keeping the pressure within design parameters. Upon the sampling device then cooling the pressure compensating device will then maintain pressure so keeping gases entrained.
  • FIG. 1 shows a schematic diagram of a first embodiment of a sampling device according to the present invention
  • Fig. 2 shows a schematic diagram of a second embodiment of a sampling device according to the present invention
  • Fig. 3 shows a schematic diagram of a third embodiment of a sampling device according to the present invention .
  • Fig. 4 shows a schematic diagram of a fourth embodiment of a sampling device according to the present invention.
  • Fig. 5 shows a schematic diagram of a fifth embodiment of a sampling device according to the present invention .
  • the reference numeral 1 indicates a sampling device according to the present invention.
  • the figures are shown simplified and schematic. Identical reference numerals indicate identical or similar features in the figures.
  • FIG. 1 a first sampling device 1 according to the inven ⁇ tion is shown.
  • a sample container 11 is divided into a first chamber 111 and a second chamber 113 by means of a sealingly movable separating body 112 in the form a floating piston.
  • a not shown sample is contained in the first chamber 111 of the sample container 11.
  • the not shown sample is collected subsea through sample fluid lines 14a closable by isolation valves 12.
  • the pressure of the sample in the first chamber 111 is measured by a first pressure gauge 13a, while the pressure in the second chamber 113 is measured by a second pressure gauge 13b.
  • the second chamber 113 of the sample container 11 is fluidly connected to a pressurized inert gas accumulator 15.
  • One side of the accumulator 15 contains inert gas supplied via an inert gas line 151 while the other side of the accumu ⁇ lator is fluidly communicating with a hydraulic fluid control line 153.
  • the first pressure gauge 13a which may be connected to a not shown control unit, will sense the varying pressure.
  • the accumulator 15, which is fluidly communicating with the second chamber 113 of the sample container 11, will then increase the pressure in the second chamber 113, and thus move the sealingly movable floating piston 112 to compensate for the pressure changes in the first chamber 111, thus maintaining the sample at an essentially constant pres ⁇ sure .
  • FIG 2 a second sampling device 1 according to the in ⁇ vention is shown.
  • a pressurized inert gas accumulator 15 is connected to the sample container 11 via an actuator cylinder 16.
  • the accumulator 15 is connected to an inert gas line 151 and to hydraulic control fluid lines 154, 155.
  • the actuator cylinder 16 displaces the piston 112 in the sample container 11 by means of a piston rod 166 common to the actuator cylinder 16 and the sample container 11.
  • the actuator cylinder 16 comprises a first chamber 161 and a second chamber 163 sepa ⁇ rated by a piston 162 also connected to the piston rod 166.
  • the cylinder actuator 16 is regulated by pressurizing the first chamber 161 through an opening line 165 or the second chamber 163 through a closing line 164.
  • This embodiment of the invention is directly compatible with the previously men ⁇ tioned Norwegian patent application no. 20110774.
  • FIG. 3 shows a third sampling device 1 according to the in ⁇ vention.
  • An accumulator 2 is integral to the sample container 11 in that the second chamber 113 is provided with a pressur ⁇ ized gas cap 19 of inert gases, without any external connec ⁇ tions, except from the pressure gauge 13b. Pressure condi- tions are maintained within the first chamber 111 of the sam ⁇ ple container 11 solely by use of the gas cap 19 contained in the second chamber 113 of the sample container 11.
  • Figure 4 shows a fourth sampling device 1 according to the invention.
  • the linear actuator 17 may be mechanic, hydraulic, or pneumatic .
  • FIG. 5 a fifth sampling device 1 according to the invention is shown.
  • a pump 18 is used to simulate the action of an accumulator, thus to regulate the pressure in the sample con ⁇ tainer 11.

Abstract

L'invention concerne un dispositif d'échantillonnage (1) pour fluides sous-marins, lequel dispositif d'échantillonnage (1) comprend: un conteneur d'échantillons (11) comprenant une première chambre (111) et une seconde chambre (113), les première et seconde chambres (111, 113) étant isolées par un corps de séparation mobile (112) ; un premier dispositif de détection de pression (13a) pour détecter la pression dans la première chambre (111) du conteneur (11) ; un second dispositif de détection de pression (13b) pour détecter la pression dans la seconde chambre (113) du conteneur (11) ; lequel dispositif d'échantillonnage (1) comprend en outre un dispositif de compensation de pression (2, 15, 17, 18) conçu pour compenser les changements de pression dans la première chambre (111) du conteneur en ajustant la pression dans la seconde chambre (113) du conteneur et en déplaçant ainsi le corps de séparation (112). L'invention concerne également un procédé d'échantillonnage de fluides sous-marins à l'aide du dispositif d'échantillonnage (1) de la présente invention.
PCT/NO2013/050061 2012-03-30 2013-04-02 Procédé et dispositif d'échantillonnage sous-marin WO2013147616A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US14/387,731 US20150075802A1 (en) 2012-03-30 2013-04-02 Method and Device for Subsea Sampling
EP13769149.9A EP2831373A4 (fr) 2012-03-30 2013-04-02 Procédé et dispositif d'échantillonnage sous-marin

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201261618413P 2012-03-30 2012-03-30
US61/618,413 2012-03-30

Publications (1)

Publication Number Publication Date
WO2013147616A1 true WO2013147616A1 (fr) 2013-10-03

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ID=49260748

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NO2013/050061 WO2013147616A1 (fr) 2012-03-30 2013-04-02 Procédé et dispositif d'échantillonnage sous-marin

Country Status (3)

Country Link
US (1) US20150075802A1 (fr)
EP (1) EP2831373A4 (fr)
WO (1) WO2013147616A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016053110A1 (fr) * 2014-10-03 2016-04-07 Expro Petrotech As Appareil et procédé d'obtention d'un échantillon fluidique dans un puits
GB2544336A (en) * 2015-11-13 2017-05-17 Sonardyne Int Ltd In-situ pressure sensor bias determination apparatus, subsea sensor node apparatus and method of determining a bias of a pressure sensing apparatus

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CN107966333B (zh) * 2017-12-14 2023-07-07 中国科学院海洋研究所 深海原位气体保压取样系统
CN107966321B (zh) * 2017-12-22 2024-01-26 中国科学院海洋研究所 基于rov的深海原位流体高通量采样器及其取样方法
US11359458B2 (en) * 2020-06-23 2022-06-14 Saudi Arabian Oil Company Monitoring oil health in subsurface safety valves
CN111855304A (zh) * 2020-07-14 2020-10-30 上海交通大学 内盖式主动保压海水瓶及其取样方法
CN111855305A (zh) * 2020-07-14 2020-10-30 上海交通大学 抽液取样式主动保压原位海水取样器及其取样方法
CN112691630A (zh) * 2020-12-02 2021-04-23 谢加铭 一种用于彩钢瓦涂料制备的轻型反应釜

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US5377755A (en) * 1992-11-16 1995-01-03 Western Atlas International, Inc. Method and apparatus for acquiring and processing subsurface samples of connate fluid
US20070101808A1 (en) * 2005-11-07 2007-05-10 Irani Cyrus A Single phase fluid sampling apparatus and method for use of same
US20070236215A1 (en) * 2006-02-01 2007-10-11 Schlumberger Technology Corporation System and Method for Obtaining Well Fluid Samples
US20100116493A1 (en) * 2008-11-13 2010-05-13 Halliburton Energy Services, Inc. Coiled Tubing Deployed Single Phase Fluid Sampling Apparatus and Method for Use of Same
US20110174068A1 (en) * 2005-11-07 2011-07-21 Halliburton Energy Services, Inc. Wireline Conveyed Single Phase Fluid Sampling Apparatus and Method for Use of Same

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GB2252296A (en) * 1990-12-06 1992-08-05 Exal Sampling Services Limited Fluid sampling systems
US5377755A (en) * 1992-11-16 1995-01-03 Western Atlas International, Inc. Method and apparatus for acquiring and processing subsurface samples of connate fluid
US20070101808A1 (en) * 2005-11-07 2007-05-10 Irani Cyrus A Single phase fluid sampling apparatus and method for use of same
US20110174068A1 (en) * 2005-11-07 2011-07-21 Halliburton Energy Services, Inc. Wireline Conveyed Single Phase Fluid Sampling Apparatus and Method for Use of Same
US20070236215A1 (en) * 2006-02-01 2007-10-11 Schlumberger Technology Corporation System and Method for Obtaining Well Fluid Samples
US20100116493A1 (en) * 2008-11-13 2010-05-13 Halliburton Energy Services, Inc. Coiled Tubing Deployed Single Phase Fluid Sampling Apparatus and Method for Use of Same

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016053110A1 (fr) * 2014-10-03 2016-04-07 Expro Petrotech As Appareil et procédé d'obtention d'un échantillon fluidique dans un puits
NO339638B1 (no) * 2014-10-03 2017-01-16 Expro Petrotech As Apparat og framgangsmåte for å tilveiebringe en fluidprøve i en brønn
EP3201436A4 (fr) * 2014-10-03 2018-05-09 Expro Petrotech AS Appareil et procédé d'obtention d'un échantillon fluidique dans un puits
GB2544336A (en) * 2015-11-13 2017-05-17 Sonardyne Int Ltd In-situ pressure sensor bias determination apparatus, subsea sensor node apparatus and method of determining a bias of a pressure sensing apparatus
GB2544336B (en) * 2015-11-13 2020-09-16 Sonardyne Int Ltd In-situ pressure sensor bias determination apparatus, subsea sensor node apparatus and method of determining a bias of a pressure sensing apparatus

Also Published As

Publication number Publication date
EP2831373A1 (fr) 2015-02-04
EP2831373A4 (fr) 2015-12-09
US20150075802A1 (en) 2015-03-19

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