EP1875036B1 - Vorrichtung zum entziehen mindestens eines gastyps aus einem bohrschlamm sowie analyseanordnung und entsprechendes extraktionsverfahren - Google Patents

Vorrichtung zum entziehen mindestens eines gastyps aus einem bohrschlamm sowie analyseanordnung und entsprechendes extraktionsverfahren Download PDF

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Publication number
EP1875036B1
EP1875036B1 EP06755453A EP06755453A EP1875036B1 EP 1875036 B1 EP1875036 B1 EP 1875036B1 EP 06755453 A EP06755453 A EP 06755453A EP 06755453 A EP06755453 A EP 06755453A EP 1875036 B1 EP1875036 B1 EP 1875036B1
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Prior art keywords
enclosure
gas
pipe
extraction
pressure
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EP06755453A
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English (en)
French (fr)
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EP1875036A1 (de
Inventor
Jean-François EVRARD
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Geoservices Equipements SAS
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Geoservices Equipements SAS
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    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components
    • E21B21/067—Separating gases from drilling fluids
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/01—Arrangements for handling drilling fluids or cuttings outside the borehole, e.g. mud boxes
    • 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
    • E21B49/005—Testing the nature of borehole walls or the formation by using drilling mud or cutting data

Definitions

  • the present invention relates to an extraction device according to the preamble of claim 1.
  • the analysis carried out continuously, comprises two main phases.
  • the first phase consists in extracting the gases transported by the sludge (for example hydrocarbon compounds, carbon dioxide, hydrogen sulphide, helium and nitrogen).
  • the second phase consists in qualifying and quantifying the extracted gases.
  • degassers with mechanical stirring of the aforementioned type ( FR-A-2,799,790 ) are used frequently.
  • the gases extracted from the sludge, mixed with the carrier gas introduced into the chamber, are conveyed by suction via the gas extraction pipe to an analyzer which allows the quantification of the extracted gases.
  • the degasser of the aforementioned type comprises means for introducing a carrier gas into the chamber.
  • the carrier gas flow rate is set at a determined value to obtain an acceptable transit time in the extraction line.
  • the rate of extraction of the gases from the sludge in the enclosure is affected by the presence of the carrier gas, especially when a large amount of gas is contained in the mud.
  • the transit time in the extraction pipe varies during the analysis, which affects its quality.
  • the main purpose of the invention is to provide an extraction device of the aforementioned type, reliability and constant accuracy regardless of the gaseous content of the drilling mud.
  • the subject of the invention is a device according to claim 1.
  • the device according to the invention may comprise one or more of the features of claims 2 to 10.
  • the invention also relates to an assembly according to claim 11.
  • the invention also relates to a method for extracting at least one gas contained in a drilling mud, according to claim 12.
  • the method according to the invention may comprise one or more of the features of claims 13 and 14.
  • upstream and downstream refer to the direction of normal flow of a fluid in a pipe.
  • An analysis assembly according to the invention is used, for example, in a drilling installation of an oil production well.
  • this installation 11 comprises a drill pipe 13 disposed in a cavity 14 pierced by a rotary drilling tool, a surface installation 17, and an analysis assembly 19 according to the invention.
  • the drill pipe 13 is disposed in the cavity 14 formed in the subsoil 21 by the rotary drilling tool.
  • This conduit 13 comprises, at the level of the surface 22, a wellhead 23 provided with a drain line 25.
  • the drilling tool 15 comprises a drill head 27, a drill string 29, and a liquid injection head 31.
  • the drill head 27 comprises drilling means 33 of the rocks of the subsoil 21. It is mounted on the lower part of the drill string 29 and is positioned in the bottom of the drill pipe 13.
  • the liner 29 comprises a set of hollow drill pipes. These tubes delimit an internal space 35 which makes it possible to bring a liquid from the surface 22 to the drill head 27. For this purpose, the liquid injection head 31 is screwed onto the upper part of the lining 29.
  • the surface installation 17 comprises means 41 for supporting and rotating the drill bit 15, means 43 for injecting the drilling fluid and a vibrating screen 45.
  • the injection means 43 are hydraulically connected to the injection head 31 to introduce and circulate a liquid in the internal space 35 of the drill string 29.
  • the vibratory screen 45 collects the drilled residue liquid that exits the drain line 25 and separates the liquid from the solid boreholes.
  • the analysis assembly 19 comprises means 51 for sampling the sludge, stitched on the drain line 25, a device 53 for extracting gas, and means 55 for analyzing the extracted gases.
  • the sampling means 51 are stitched into a liquid receiving tank into which the drain line 25 opens.
  • the sampling means are stitched into a tank of the sludge injection means 43.
  • the sampling means 51 comprise a liquid picking head 57 disposed projecting in the drain line 25, a connecting pipe 59, and a peristaltic pump 61 whose flow rate is adjustable.
  • the extraction device 53 comprises an enclosure 63, a pipe 65 for supplying mud into the enclosure 63, a pipe 67 for discharging the sludge of the enclosure 63, means 69 for introducing a carrier gas into the enclosure 63, and a pipe 71 for extracting the gases extracted from the enclosure 63.
  • the enclosure 63 comprises a sealed container whose internal volume is for example between 0.4 liters and 3 liters.
  • This enclosure 63 comprises a lower part 73, in which the sludge circulates and an upper portion 75 which has a gaseous sky.
  • the chamber 63 is also provided with stirring means 77, comprising an agitator 79, projecting into the chamber 63 and driven in rotation by a motor 81 mounted on the upper part 75 of the enclosure 63.
  • agitator 79 comprises a stirring mobile 83 immersed in the sludge.
  • the mud feed pipe 65 extends between the outlet of the peristaltic pump 61 and an inlet opening 85 formed in the lower part 73 or upper 75 of the enclosure 63.
  • This feed line 65 may be provided with means for heating the sludge (not shown), in order to bring the temperature of this sludge to values of between 25 and 150 ° C., preferably between 60 and 90 ° C.
  • the evacuation duct 67 extends between an overflow passage 87 formed in the upper part 75 of the enclosure 63, and a retention tank 89 intended to receive the sludge discharged from the device 53.
  • the retention tank 89 is formed by a receiving tank 90 of the liquids extracted from the vibrating screen 45, shown in FIG. Figure 1 .
  • the discharge pipe 67 comprises successively an upstream portion 91 inclined downwards, which forms an angle of approximately 45 ° with the horizontal, a bent portion 93 forming a siphon, and a substantially vertical downstream portion 95, open at its lower end. 97 disposed opposite the tray 89, above the level of the liquid contained in the tray 89.
  • the sludge collected in the holding tank 89 and in the tank 90 is recycled to the injection means 43 via a sludge recirculation pipe 98.
  • the means 69 for introducing a carrier gas into the chamber comprise a source 111 of carrier gas, a conduit 113 for introducing carrier gas extending between the source 111 and an injection inlet 115 of vector gas in the enclosure, and means 117 for controlling the introduction of carrier gas into the chamber 63.
  • the carrier gas source 111 contains a neutral gas with respect to the analysis carried out in the analysis means 55.
  • This gas is, for example, substantially pure nitrogen, or substantially pure helium.
  • nitrogen as a carrier gas makes it possible to analyze, by a gas chromatography system coupled to a mass spectrometer, certain non-hydrocarbon compounds contained in the sludge such as hydrogen sulphide.
  • helium makes it possible to analyze the nitrogen contained in the drilling muds.
  • the carrier gas in the source 111 is maintained at a pressure greater than atmospheric pressure, for example greater than 1.5 bar absolute.
  • a mass or volume flowmeter 119 is mounted on the introduction pipe 113 in the vicinity of the source 111, downstream of this source.
  • the vector gas injection inlet 115 opens opposite the overflow passage 87 in the upstream portion 91 of the evacuation pipe 67.
  • the control means 117 comprise a valve 121 with adjustable passage section mounted on the introduction pipe 113, a pressure sensor 123 disposed in the pipe 113 downstream of the valve 121, and a regulator 125.
  • the valve 121 is mounted on the introduction pipe in the vicinity of the inlet inlet 115, downstream of the flow meter 119.
  • a downstream section 127 of the pipe 113 connects the valve 121 to the inlet entry.
  • the length of this downstream section 127 is non-zero and for example between 5 cm and 200 cm.
  • the instantaneous fluctuations of the pressure of the chamber 63 are filtered in the downstream section 127 of the pipe 113.
  • the valve 121 is for example a valve valve type "all or nothing". Thus, the valve valve 121 is movable between an open position in which the passage section of the carrier gas in the valve 121 is maximum and a closed position in which this section is substantially zero.
  • the valve 121 comprises control means 131 of the valve between its open position and its closed position.
  • the sensor 123 is mounted at a point downstream of the valve 121.
  • the pressure sensor 123 is mounted in the downstream section 127 of the pipe 113, in the vicinity of the inlet 115, but away from this entry 115.
  • the regulator 125 comprises means 133 for calculating the difference between a determined gas extraction pressure and the pressure measured by the sensor 123, a memory 135 containing a pressure difference threshold error value, and means 137. comparing the difference calculated by the calculation means 125 with the threshold error value stored in the memory 135.
  • the comparison means 137 are connected to the control means 131 of the valve.
  • the determined gas extraction pressure is for example equal to the atmospheric pressure.
  • the threshold error value is, for example, less than 2 mbar and advantageously equal to 0.1 mbar.
  • the vector gas injection inlet 115 opens directly into the upper part 75 of the enclosure 63.
  • the inlet 115 opens into the lower part 73 of the enclosure 63.
  • the carrier gas is then directly injected into the mud.
  • the pressure sensor 123 is placed in the upper part 75 or downstream of this part 75.
  • the extraction pipe 71 extends between an extraction opening 153 formed in the upper part 75 of the chamber and the analysis means 55. It comprises, from upstream to downstream, a volume flow regulator 155, a transport line 157 and suction means 159.
  • the flow regulator 155 is formed by a tube having a calibrated cross-sectional throat.
  • the pipe 71 comprises a filtration stage (not shown) interposed between the extraction opening 153 and the flow regulator 155.
  • the transport line 157 connects the enclosure 63 disposed in the vicinity of the wellhead 23, in an explosive zone, to the analysis means 55, disposed away from the wellhead 23, in a non-explosive zone, for example in a pressurized cabin (not shown).
  • the analysis means 55 are arranged in the vicinity of the enclosure 63, in an explosive zone.
  • This transport line 157 is preferably made of an inert material with respect to the gaseous compounds extracted from the sludge. It has for example a length of between 10 cm and 500 m.
  • the transmission line 157 is also provided, in the example shown, with a volume flowmeter 161.
  • the suction means comprise a vacuum pump 159 which allows suction conveying the gases extracted from the chamber to the analysis means 55.
  • the analysis means 55 comprise an instrumentation 171 which allows the detection and quantification of one or more extracted gases and a computer 173, which makes it possible to determine the volume and the concentration of these gases extracted from the drilling mud.
  • the instrumentation 171 comprises, for example, infrared detection apparatus for the quantification of carbon dioxide, FID (flame ionization detector) chromatographs for the detection of hydrocarbons or TCD (thermal conductivity detector), depending on the gases to be measured. analyze. It also includes a gas chromatography system coupled to a mass spectrometer, this system being designated by the abbreviation "GC-MS”. The simultaneous detection and quantification of a plurality of gases is therefore possible.
  • FID flame ionization detector
  • TCD thermal conductivity detector
  • the instrumentation 171 is connected to a stitching or bypass 175 on the line 157 situated upstream or downstream of the vacuum pump 159, in the vicinity of this pump 159.
  • the computer 173 is connected to the instrumentation 171, and to the respective flow meters 161 and 119 of the extraction pipe 157 and the introduction pipe 113.
  • the drilling tool 15 is rotated by the surface installation 41.
  • a drilling fluid is introduced into the interior space 35 of the drill string 29 by the injection means 43.
  • the liquid descends to the drill head 27, and passes into the drill pipe 13 through the drill head 27. This liquid cools and lubricates the drilling means 33.
  • the liquid collects the solid cuttings resulting from the drilling and goes up through the annular space defined between the drill string 29 and the walls of the drill pipe 13, and is discharged through the drain line 25.
  • the liquid containing the cuttings then forms the drilling mud to be analyzed.
  • the peristaltic pump 61 is then activated, in order to collect, continuously, a determined fraction of the drilling mud circulating in line 25.
  • This fraction of sludge is conveyed to the chamber 63 via the supply line 65, and introduced into the enclosure.
  • the sludge introduced into the enclosure 63 via the supply line 65 is evacuated by overflow into the evacuation pipe 67 through the overflow passage 87. Furthermore, a portion of the evacuated sludge temporarily resides in the trap 93. of the evacuation pipe 67, which prevents the entry of gas into the upper part 75 of the enclosure 63 by the lower end 97 of the evacuation pipe 67.
  • the introduction of gas into the chamber 63 is therefore carried out only by means of introducing vector gas 69.
  • the agitator 79 is rotated by the motor 81, and agitates the sludge in the lower part 73 of the enclosure 63 to cause the extraction of the gases contained in the sludge, as well as the mixture of the extracted gases with the carrier gas. introduced by the injection passage 99.
  • the senor 123 measures the pressure in the introduction pipe 113, downstream of the valve 121. This pressure is substantially equal to the pressure in the chamber 63.
  • the calculation means 133 determine the difference between a determined pressure, for example the atmospheric pressure, and the instantaneous pressure measured.
  • the comparison means 137 compare at each instant, this difference to the threshold error value stored in the memory 135. If this difference is greater than the threshold error value stored in the memory 135, the comparison means 137 activate the control means of the valve 131 to pass this valve from its closed position to its open position.
  • a carrier gas flow rate is then introduced into the chamber 63 through the valve 121 and the inlet inlet 115.
  • the carrier gas introduced into the chamber 63 decreases the pressure difference between the determined pressure and the pressure in the chamber 63.
  • the comparison means 137 determine that the pressure difference is smaller than the threshold error value, they activate the control means 131 of the valve to move it from its open position to its closed position.
  • the gaseous mixture extracted from the enclosure 63 is conveyed via the extraction pipe 71 under the effect of the suction produced by the vacuum pump 159. This mixture is transported to the analysis means 55 where it is qualified. and quantified by the instrumentation 171 and the computer 173.
  • the calculation of the volume and the content of a specific gas extracted from the sludge at a given moment is made on the basis of the value measured by the instrumentation 171 at a subsequent time which depends on the transit time of the gas extracted in the extraction pipe 71, on the basis of the flow rate Q gas extracted from gas extracted from the sludge in the chamber 63 at the given instant calculated by formula (1) above, and on the basis of the flow rate Q m gas introduction line injected into the chamber 63, as measured by the flow meter 119 at a later time which depends on the time required for a solicitation of the valve 121 is perceived by the flow meter 119, at the other end of the introduction pipe 113.
  • the flow rate Q gas extracted from the gas extracted from the sludge in the chamber 63 is known at each instant, the analysis set 19 according to the invention thus makes it possible to perform the quantitative analysis of a part of the compounds extracted from the slurry. mud, without the need to perform quantitative analysis of all compounds extracted from the mud at any time.
  • the extraction pipe 71 is devoid of a flow meter 161.
  • the flow rate of gas flowing in the pipe 71 is kept constant by the flow regulator 155. The value of this flow rate is determined or confirmed by calibration. by circulating water in the enclosure 63 and by measuring the flow of carrier gas injected into the enclosure 63 by means of the flowmeter 119 on the introduction pipe 113.
  • the analysis assembly 19 is calibrated before it is connected to the installation 11.
  • the carrier gas source is replaced by a standard mixture of gas to be analyzed which is injected into the chamber 63, in which one circulates water or other fluid containing no gas to extract and neutral against the standard mixture.
  • the analysis parameters such as the determined gas extraction pressure and the flow rate of gas flowing through the regulator 155, are chosen to be substantially equal to those used later in the analysis of the sludge.
  • the senor 123 is mounted upstream of the extraction opening 153, for example in the upper part 75 of the enclosure 63.
  • the senor 123 is mounted in the extraction pipe 71, in the vicinity of the extraction opening 153, preferably upstream of the flow regulator 155.
  • the sensor 123 is mounted at a point of this pipe 71 such as the instantaneous difference between the pressure that prevails at this point and the pressure in the enclosure 63 is less than 200 mbar.
  • valve 121 is of the proportional type and comprises a gas flow orifice of adjustable section.
  • the method according to the invention comprises, at each moment, a step of controlling the gas passage section in the valve 121 as a function of the difference between the determined extraction pressure and the pressure measured by the sensor 123.
  • the pressure in the chamber 63 is regulated substantially at the determined pressure, to the threshold error value. Consequently, whatever the variations in the gaseous content of the drilling mud, the pressure in the enclosure 63 remains substantially constant, and the gas extraction conditions in this enclosure 63 are substantially independent of the gaseous content of the sludge. The quantification of the gases contained in the drilling mud is therefore very precise.
  • the gas flow sucked through the extraction pipe 151 under the effect of the pump 159 is substantially compensated by the gas flow introduced through the pipe. introduction 113, which avoids clogging of the extraction pipe 171.
  • the transit time in the extraction pipe 71 is kept substantially constant regardless of the instantaneous amount of gas extracted from the sludge.
  • the extraction conditions in the device according to the invention are therefore automatically regulated, which increases its reliability.
  • the pressure in the enclosure 63 remains substantially identical, and the extraction of gas in the enclosure 63 is continued under substantially similar conditions.
  • the analysis assembly 19 can calculate the content of a given gas extracted from the sludge at each instant, without quantitatively calculating the content of all the extracted gases. mud.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Sampling And Sample Adjustment (AREA)

Claims (14)

  1. Vorrichtung (53) zum Gewinnen mindestens eines Gases, das in einem Bohrschlamm enthalten ist, von einer Bauart, die Folgendes umfasst:
    einen Hohlraum (63) ;
    - Mittel (65) zum Befördern des Bohrschlamms in den Hohlraum (63) ;
    Mittel (67) zur Ausstoßen des Bohrschlamms aus dem Hohlraum (63);
    - Mittel (69) zum Zuführen eine Trägergases in den Hohlraum, wobei diese eine Leitung (113) zum Zuführen des Trägergases umfassen, welche eine Trägergasquelle (111) mit dem Hohlraum (63) verbindet, wobei die Zuführungsleitung (113) mit einem Organ (121) zum Einstellen der Flussrate des Trägergases, welches durch die Leitung (113) fließt, versehen ist; und
    - eine Leitung (71) zur Gasgewinnung, die über eine Gasgewinnungsöffnung (153) in den Hohlraum (63) einmündet;
    dadurch gekennzeichnet, dass die Mittel zum Zuführen des Trägergases (69) Folgendes umfassen:
    - einen Sensor (123) zum Messen eines Momentandrucks, der im Wesentlichen gleich demjenigen ist, welcher in dem Hohlraum (63) herrscht, wobei er an einer Steile bestimmt wird, die stromabwärts des Einstellorgans (121) liegt; und
    - Mittel (125) zum Steuern des Einstellorgans (121), die mit dem Sensor (123) verbunden sind, um die Flussrate des Trägergases, welches in den Hohlraum (63) eingeleitet wird, über das Einstellorgan (121) jederzeit in Abhängigkeit von der Differenz zwischen dem Druck, der vom Sensor (123) gemessen wird und einem festgelegten Gasgewinnungsdruck zu steuern.
  2. Vorrichtung (53) nach Anspruch 1, dadurch gekennzeichnet, dass der Sensor (123) stromaufwärts der Gewinnungsöffnung (153) angeordnet ist.
  3. Vorrichtung (53) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Sensor (123) in der Trägergaszuführungsleitung (113) angeordnet ist.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Sensor (123) in der Gewinnungsleitung (71) angeordnet ist.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass die Gewinnungsleitung (71) einen Flussratenregulator (155) umfasst, wobei der Sensor (123) stromaufwärts des Flussratenregulators (155) angeordnet ist.
  6. Vorrichtung (53) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Einstellorgan (121) in der Nähe des Hohlraums (63) angeordnet ist, wobei die Zuführungsleitung (113) ein stromabwärts gelegenes Teilstück (127) umfasst, dessen Länge von Null verschieden ist und das sich zwischen dem Hohlraum (63) und der Einstellorgan (121) befindet.
  7. Vorrichtung (53) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die steuerungsmittel (125) Mittel (133) zum Berechnen der Differenz zwischen dem festgelegten Gewinnungsdruck und dem Druck, welcher vom Sensor (123) gemessen wird, Mittel (137) zum Vergleichen der berechneten Differenz mit einem Fehlerschwellenwert und Mittel zum Ansteuern (131) des Einstallorgans (121) in Abhängigkeit vom Ergebnis, welches die Vergleichsmittel (137) erzielt haben, umfasst.
  8. Vorrichtung (53) nach Anspruch 7, dadurch gekennzeichnet, dass der Fehlerschwellenwert geringer als 2 mbar ist.
  9. Vorrichtung (53) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Zuführungsleitung (113) ein Durchflussmessgerät (119) umfasst.
  10. Vorrichtung (53) nach einem beliebigen der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Gasgewinnungsleitung (71) stromabwärts mit Saugmitteln (159) verbunden ist.
  11. Gesamteinheit (19) zur Untersuchung der Gase, die in einem Bohrschlamm enthalten sind, dadurch gekennzeichnet, dass sie Folgendes umfasst:
    - eine Gewinnungsvorrichtung (53) nach einem beliebigen der vorhergehenden Ansprüche;
    - Mittel (51) zum Entnehmen von Bohrschlamm, die mit den Beförderungsmitteln (65) verbunden sind; und
    - Untersuchungsmittel (55), die mit der Gewinnungsleitung (71) verbunden sind.
  12. Verfahren zur Gewinnung mindestens eines Gases, das in einem Bohrschlamm enthalten ist, derart, dass es die folgenden Schritte umfasst:
    - Befördern des Bohrschlamms in einen Hohlraum (63);
    - Zuführen, über eine Zuführungsleitung (113), eines Trägergases in den Hohlraum (63), wobei die Flussrate des Trägergases, welches dem Hohlraum (63) zugeführt wird, bei diesem Zuführvorgang durch ein Einstellorgan (121) eingestellt wird;
    - Gewinnen von Gasen, die aus dem Hohlraum (63) stammen, über eine Gasgewinnungsleitung (71), die über eine Gasgewinnungsöffnung (153) in den Hohlraum (53) einmündet;
    - Ausstoßen des Bohrschlamms aus dem Hohlraum (63);
    dadurch gekennzeichnet, dass der Zuführungsschritt Folgendes umfasst:
    - Messen eines Momentandrucks, der im Wesentlichen gleich demjenigen ist, welcher in dem Hohlraum (63) herrscht, wobei er an einer Stelle bestimmt wird, die stromabwärts des Einstellorgans (121) liegt; und
    - Steuern der Flussrate des Trägergases, welches in den Hohlraum (63) eingeleitet wird, über das Einstellorgan (121), wobei dies jederzeit in Abhängigkeit von der Differenz zwischen dem gemessenen Druck und einem festgelegten Gasgewinnungsdruck erfolge.
  13. Verfahren nach Anspruch 12, dadurch gekennzeichnet, dass das Steuern der Flussrate des Trägergases die folgenden Phasen umfasst:
    - Berechnen der Differenz zwischen dem festgelegten Gewinnungsdruck und dem Druck, der vom Sensor (123) gemessen wird;
    - Vergleichen der berechneten Differenz mit einem Fehlerschwellenwert; und
    - Ansteuern des Einstellorgans (121) in Abhängigkeit vom Ergebnis, das bei dem Vergleich erzielt wurde.
  14. Verfahren nach Anspruch 13, dadurch gekennzeichnet, dass der Fehlerschwellenwert geringer als 2 mbar ist.
EP06755453A 2005-04-27 2006-04-24 Vorrichtung zum entziehen mindestens eines gastyps aus einem bohrschlamm sowie analyseanordnung und entsprechendes extraktionsverfahren Not-in-force EP1875036B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0504249A FR2885165B1 (fr) 2005-04-27 2005-04-27 Dispositif d'extraction d'au moins un gaz contenu dans une boue de forage, ensemble d'analyse et procede d'extraction associe
PCT/FR2006/000914 WO2006114512A1 (fr) 2005-04-27 2006-04-24 Dispositif d'extraction d'au moins un gaz contenu dans une boue de forage, ensemble d'analyse et procede d'extraction associe

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Publication Number Publication Date
EP1875036A1 EP1875036A1 (de) 2008-01-09
EP1875036B1 true EP1875036B1 (de) 2012-03-14

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EP06755453A Not-in-force EP1875036B1 (de) 2005-04-27 2006-04-24 Vorrichtung zum entziehen mindestens eines gastyps aus einem bohrschlamm sowie analyseanordnung und entsprechendes extraktionsverfahren

Country Status (8)

Country Link
US (1) US8677814B2 (de)
EP (1) EP1875036B1 (de)
AT (1) ATE549482T1 (de)
BR (1) BRPI0612934A2 (de)
CA (1) CA2606415C (de)
FR (1) FR2885165B1 (de)
NO (1) NO20075589L (de)
WO (1) WO2006114512A1 (de)

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RU2451924C2 (ru) * 2008-01-18 2012-05-27 Жеосервис Экипман Способ анализа совокупности углеводородов, содержащихся в буровом растворе, и соответствующее устройство
AU2008347646B2 (en) * 2008-01-18 2013-08-22 Geoservices Equipements Method of analyzing a number of hydrocarbons contained in a drilling fluid, and associated device
EP2444802A1 (de) * 2010-10-22 2012-04-25 Geoservices Equipements Vorrichtung zur Analyse von mindestens einem Kohlenwasserstoff in einer Bohrflüssigkeit und zugehöriges Verfahren
GB2501598B (en) * 2011-02-17 2018-10-24 Halliburton Energy Services Inc Methods and systems of collecting and analyzing drilling fluids in conjunction with drilling operations
US20150096349A1 (en) * 2012-05-14 2015-04-09 Pen Inc. Optimize analyte dynamic range in gas chromatography
WO2015050550A1 (en) 2013-10-03 2015-04-09 Halliburton Energy Services, Inc. Solvent extraction and analysis of formation fluids from formation solids at a well site
JP6268667B2 (ja) * 2013-10-20 2018-01-31 株式会社大林組 ボーリングマシンを用いた地盤掘削システム
CA2942135C (en) * 2014-04-04 2019-01-29 Halliburton Energy Services, Inc. Isotopic analysis from a controlled extractor in communication to a fluid system on a drilling rig
GB2542928B (en) * 2014-04-15 2020-12-30 Halliburton Energy Services Inc Determination of downhole conditions using circulated non-formation gasses
GB2539820B (en) * 2014-05-09 2020-12-02 Halliburton Energy Services Inc Surface fluid extraction and separator system
CN104314608B (zh) * 2014-09-28 2016-05-25 太原理工大学 一种提高煤层瓦斯抽采量的冷热交替系统
EP3012616A1 (de) * 2014-10-22 2016-04-27 Services Petroliers Schlumberger System und Verfahren zur Analyse einer gasförmigen, aus einer Bohrflüssigkeit aus einem Bohrloch extrahierten Probe
EP3294979A4 (de) * 2015-05-15 2019-01-02 Halliburton Energy Services, Inc. Verfahren, vorrichtung und systeme zur injektion und erkennung von zusammensetzungen in bohrfluidsystemen
GB2556728B (en) 2015-08-27 2021-06-02 Halliburton Energy Services Inc Sample degasser dilution control system
EP3165710B1 (de) * 2015-11-05 2020-12-23 Geoservices Equipements SAS Gas-extraktionsvorrichtung sowie dazugehörige analyseanordnung und verfahren
US10180062B2 (en) * 2016-03-21 2019-01-15 Weatherford Technology Holdings, Llc Gas extraction calibration system and methods
US10683741B2 (en) * 2017-05-16 2020-06-16 Nextstream Emulsifier Enhancer, Llc Surface-based separation assembly for use in separating fluid
US10544872B2 (en) * 2017-08-07 2020-01-28 Iball Instruments Llc Liquid capture valve
US11230897B2 (en) * 2017-09-22 2022-01-25 SPM Oil & Gas PC LLC System and method for intelligent flow control system for production cementing returns
AU2019279953B2 (en) 2019-02-12 2023-02-02 Halliburton Energy Services, Inc. Bias correction for a gas extractor and fluid sampling system
US11492901B2 (en) * 2019-03-07 2022-11-08 Elgamal Ahmed M H Shale shaker system having sensors, and method of use
EP3772648B1 (de) * 2019-08-07 2024-03-27 Geoservices Equipements SAS Gasanalysesystem und -verfahren
RU2745752C1 (ru) * 2020-04-30 2021-03-31 Общество с ограниченной ответственностью "УК "Служба Внутреннего Контроля" Пробоотборные устройства непрерывного и циклического типа и способ обнаружения компонентов смеси с использованием пробоотборных устройств
US11867682B2 (en) 2020-09-21 2024-01-09 Baker Hughes Oilfield Operations Llc System and method for determining natural hydrocarbon concentration utilizing isotope data
CN112145107A (zh) * 2020-09-29 2020-12-29 同济大学 一种可以调节泥浆浓度的新型泥浆箱
US20240183269A1 (en) * 2021-07-16 2024-06-06 Halliburton Energy Services, Inc. Constant mass gas extraction for gas evaluation during drilling

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635735A (en) * 1984-07-06 1987-01-13 Schlumberger Technology Corporation Method and apparatus for the continuous analysis of drilling mud
US4887464A (en) * 1988-11-22 1989-12-19 Anadrill, Inc. Measurement system and method for quantitatively determining the concentrations of a plurality of gases in drilling mud
SE9304028L (sv) * 1993-12-03 1995-06-04 Siemens Elema Ab Förfarande vid analys av en gas och gasanalysator
FR2799790B1 (fr) * 1999-09-24 2001-11-23 Inst Francais Du Petrole Methode et systeme d'extraction, d'analyse et de mesure sur des constituants transportes par un fluide de forage
US6755261B2 (en) * 2002-03-07 2004-06-29 Varco I/P, Inc. Method and system for controlling well fluid circulation rate
FR2854197B1 (fr) * 2003-04-25 2005-07-22 Geoservices Dispositif d'analyse d'au moins un gaz contenu dans un liquide notamment un fluide de forage.
US7174254B2 (en) * 2004-05-14 2007-02-06 Leroy Ellis Mud gas isotope logging interpretative process utilizing mixing lines in oil and gas drilling operations
FR2876424B1 (fr) * 2004-10-11 2008-04-04 Geoservices Dispositif de preparation d'un fluide, notamment d'une boue de forage, procede de preparation et ensemble d'analyse associes
US20060202122A1 (en) * 2005-03-14 2006-09-14 Gunn Scott E Detecting gas in fluids
FR2883916B1 (fr) * 2005-04-04 2007-07-06 Geoservices Procede de determination de la teneur en au moins un gaz donne dans une boue de forage, dispositif et installation associes
US7636614B2 (en) * 2007-01-31 2009-12-22 Halliburton Energy Services, Inc. Systems for managing flow control valves in process systems

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EP1875036A1 (de) 2008-01-09
FR2885165A1 (fr) 2006-11-03
ATE549482T1 (de) 2012-03-15
WO2006114512A1 (fr) 2006-11-02
FR2885165B1 (fr) 2008-12-05
US8677814B2 (en) 2014-03-25
BRPI0612934A2 (pt) 2010-12-07
NO20075589L (no) 2007-11-26
US20110094736A1 (en) 2011-04-28
CA2606415A1 (fr) 2006-11-02

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