CN101525992B - Closed cuttings storage device for sulfur-bearing formation underbalanced drilling - Google Patents

Closed cuttings storage device for sulfur-bearing formation underbalanced drilling Download PDF

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CN101525992B
CN101525992B CN 200910058241 CN200910058241A CN101525992B CN 101525992 B CN101525992 B CN 101525992B CN 200910058241 CN200910058241 CN 200910058241 CN 200910058241 A CN200910058241 A CN 200910058241A CN 101525992 B CN101525992 B CN 101525992B
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bearing
cuttings
drilling
storage
underbalanced
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CN 200910058241
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Chinese (zh)
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CN101525992A (en )
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羡维伟
张保贵
刘小玮
柏轲
郑冲涛
刘勇
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中国石油集团川庆钻探工程有限公司钻采工艺技术研究院
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Abstract

一种用于含硫地层欠平衡钻井的岩屑密闭储存装置,属于钻井液密闭循环系统装备制造领域,由进砂管组、冲砂管组、气体处理管组和储罐组组成,设计了一种可处理岩屑中的钻井液和气体、防止岩屑局部堆积、避免硫化氢在装置内聚集的装置,解决了处理钻井液的流程中,分离出的原油、气体以及大颗粒的岩屑必须进行密闭储存或妥善处理的问题,装置可对四相分离器分离出的含有硫化氢的钻井液和气体的岩屑进行妥善处理。 A method for the formation of sulfur-containing underbalanced drilling cuttings enclosed storage device belonging to the drilling fluid circulation system is closed FIELD equipment, the tubing set into the sand, red sand control group, the gas tank and the process tube group the group consisting designed a crude oil processing cuttings in the drilling fluid and cuttings gas, preventing local accumulation of debris, the device to avoid accumulation of hydrogen sulfide in the apparatus, to solve the drilling fluid flow process, separated, and a gas large particles problem must be stored or disposed of properly sealed, the apparatus may be of four-phase separator separates the cuttings out of the drilling fluid and the hydrogen sulfide-containing gas is properly handled.

Description

用于含硫地层欠平衡钻井的岩屑密闭储存装置[0001] 技术领域:一种用于含硫地层欠平衡钻井的岩屑密闭储存装置,用于接收并存放含硫地层欠平衡钻井作业中四相分离器分离出的大颗粒岩屑,属于钻井液密闭循环系统装备制造领域。 Sulfur-containing formations underbalanced drilling cuttings enclosed storage device [0001] Technical Field: Sulfur formation for underbalanced drilling cuttings enclosed storage means for receiving and storing a sulfur-containing formation underbalanced drilling operations four-phase separator separates the large particles cuttings, drilling fluid belonging to a closed circulation system equipment manufacturing field. [0002] 技术背景:在含硫地层实施欠平衡钻井作业中,由于允许地层产出的硫化氢进入井筒并循环至地面,所以钻井液的地面循环分离必须在密闭条件下进行,必须使用密闭式钻井液循环分尚系统。 [0002] Background Art: In the formation of sulfur-containing underbalanced drilling operations, since the output of hydrogen sulfide allows the formation into the wellbore and circulated to the ground, the ground drilling fluid circulation separation must be performed under sealed conditions must be closed drilling fluid circulation system is still divided. [0003] 在常规钻井作业中,由于井内返出的钻井液中不含有易挥发的有害物质,所以井内产生的岩屑可直接由振动筛以及其他的固控设备进行处理;而在含硫地层实施欠平衡钻井作业中,由于固控设备是敞开式结构,所以岩屑不能直接由固控设备进行处理,而必须由密闭系统对钻井液进行循环分离;在密闭系统处理钻井液的流程中,井内返出的钻井液首先由四相分离器进行多相分离,分离出的原油、气体以及大颗粒的岩屑必须进行密闭储存或妥善处理。 [0003] In conventional drilling operations, since the well back to the drilling fluid does not contain volatile harmful substances, the well cuttings generated can be processed directly by the shaker and other solids control equipment; in the formation of sulfur-containing underbalanced drilling operations, since the solid control equipment is open structure, so that debris can not be processed directly by the solids control equipment, drilling fluid must be separated by a closed loop system; in a closed system for processing drilling fluid flow, returning the drilling fluid within the well is first separated by the multi-phase four-phase separator, the oil, gas and large debris particles must be hermetically stored or disposed of properly. 其中分离出的大颗粒岩屑,还含有一定量的钻井液以及少量含硫化氢的气体; 妥善处理这些岩屑成为含硫地层进行欠平衡作业中重要的工作部分。 Wherein the separated large particles cuttings, further containing a quantity of the drilling fluid and small amounts of hydrogen sulphide-containing gas; safe handling of sulfur-containing formation cuttings become an important part of the work performed underbalanced operations. [0004] 发明内容:本发明的目的是针对含硫地层欠平衡作业四相分离器分离出的大颗粒岩屑需要进行妥善处理的问题,设计了一种可处理岩屑中的钻井液和气体、防止岩屑局部堆积、避免硫化氢在装置内聚集的用于含硫地层欠平衡钻井用的密闭式岩屑储存装置。 [0004] Disclosure of the Invention: The present invention is directed to the formation of sulfur-containing underbalanced job issue four-phase separator separates out large particles of cuttings need to be properly handled, can be designed to process a drilling fluid and cuttings in the gas prevents local accumulation of debris, to avoid accumulation of hydrogen sulfide to sulfur formation in the apparatus sealed under balanced drilling cuttings with storage means. [0005] 本发明是这样实现的,本发明由进砂管组、冲砂管组、气体处理管组和储罐组组成,其特征在于:[0006] 进砂管组包括进砂管和蝶阀,蝶阀设置在进砂管与储液罐之间的管道上;进砂管包括进砂总管1、一号进砂管4、二号进砂管7、三号进砂管10,蝶阀包括一号蝶阀2、三号蝶阀5、四号蝶阀6、五号蝶阀8、六号蝶阀9和七号蝶阀11,其中一号蝶阀2、四号蝶阀6和六号蝶阀9分别设置在进砂总管I与一号进砂管4、二号进砂管7、三号进砂管10之间,一号进砂管4、二号进砂管7、三号进砂管10分别通过三号蝶阀5、五号蝶阀8和七号蝶阀11与储砂罐17连接;冲砂管组包括冲砂管27、溢流冲砂管21、一号溢液冲砂蝶阀20和二号溢流冲砂蝶阀3,冲砂管组连接在进砂总管I与一号进砂管4之间的三通上;气体处理管组设置在储砂罐17的顶部,包括排气管14、防回火装置12、防火 [0005] The present invention is implemented, the present invention consists of tube groups into the sand, red sand control group, and the gas tank tube group treated group, and wherein: [0006] sand into the sand pipe tubing set includes an intake valve and butterfly valve disposed in the conduit between the inlet tube and the reservoir sand; sand into the sand pipe includes an intake manifold 1, the 1st sand into the pipe 4, into the sand pipe 7 on the 2nd, the 3rd into the sand tube 10, comprising a butterfly valve No. 2 valve, butterfly valve 5 III, IV valve 6, valve 8 V, VI and VII 9 butterfly valve 11, which valve 2 One, fourth butterfly valve 6 and 9 are respectively disposed VI intake manifold sand I and sand into the pipe 4 on the 1st, the 2nd sand into the pipe 7, between the 3rd into the sand tube 10, into the sand pipe 4 on the 1st, the 2nd tube 7 into the sand, the sand on the 3rd intake pipe 10 respectively through the 3rd valve 5, V and VII butterfly valve 8 sand tank 17 is connected to the reservoir 11; sand washing tube group comprising sand washing tube 27, overflow tubes 21 washed sand, washed sand One discharge valve 20 and the overflow washed sand II 3 valve, sand flushing pipe group connected to 4-way between the intake manifold I and sand into the sand One tube; processing gas pipe group 17 disposed at the top of the reservoir sand tank, comprising an exhaust pipe 14, anti-tempering means 12, fire 阀13、鼓风管16,在气体处理管组的排气管14上设置有防回火装置12和防火蝶阀13和鼓风管16 ;储罐组包括储砂罐17 和储液罐23,储液罐23的前端与储砂罐17连接,后端通过三号溢流蝶阀24与砂泵25相连;[0007] 在所述储液罐23与储砂罐17之间设置有一号溢流蝶阀18和二号溢流蝶阀22 ;[0008] 在砂泵25的排液端连接有一个排液三通26,排液三通26的另外两端一端连接冲砂管27,另一端连接排液蝶阀28,可以选择钻井液泵出的流向;[0009] 在储砂罐17的顶部设置有鼓风管16,在需要打开储砂罐17处理岩屑时,可连接鼓风管向储砂罐17内鼓风,将含有硫化氢的气体经排气管14带出罐体由点火器15燃烧处理;[0010] 在一号溢流蝶阀18和二号溢流蝶阀22之间设置有一个溢流三通19,溢流三通19通过一号溢液冲砂蝶阀20、溢流冲砂管21与冲砂管27连接;[0011] 在进行钻井施工时,先使用一 Valve 13, blower tube 16 is provided with a tempering device 12, and fire preventing valve 13 and ventilation tube 16 on the exhaust pipe of the process gas tube set 14; group comprises a reservoir tank 17 and reservoir sand tank 23, the front end of the reservoir with the reservoir 23 of the sand tank 17 is connected, through the rear end of the overflow valve 24 is connected to the III sand pump 25; [0007] disposed between the reservoir 23 and reservoir sand tank 17 has an overflow One II overflow valve 18 and valve 22; [0008] crushed sand 25 at the discharge end of the drain is connected to a tee 26, one end of the other two ends 26 of the three-way drain pipe 27 is connected washed sand, and the other end connected to the discharge liquid valve 28 may be selected out of the flow of drilling fluid pump; [0009] provided with a blast pipe 16 at the top of the sand tank 17 of the reservoir, when the reservoir sand tank 17 needs to open cuttings treatment, may be connected to the reservoir sand blast pipe blowing tank 17, the hydrogen sulfide-containing gas through the exhaust pipe 14 with the combustion process by the igniter body 15; [0010] there is provided a valve between the overflow 18 and No. 22 at the first overflow valve overflow tee 19, through the overflow 19 One-way discharge valve 20 washed sand, washed sand overflow pipe 21 and the pipe 27 is connected washed sand; time [0011] during drilling, using a first 进砂口4,由四相分离器分离出的大颗粒岩屑,由进砂总管I经过一号进砂口4进入储砂罐17,含有钻井液和气体的岩屑在储砂罐17中经静止后,岩屑会沉入下部,中间是钻井液,上部是气体;储砂罐17中的钻井液积累到一定量时,由溢液管经过一号溢流蝶阀18和二号溢流蝶阀22流入储液罐23中;气体由排气管14 排出并由点火器15进行燃烧处理;由于岩屑的流动性较差,当一号进砂管4使用一段时间后,管口下部的岩屑会聚集甚至会堵塞进砂口,这时关闭一号进砂管4的三号蝶阀5,改用二号进砂管7进液,以此类推,再过一段时间后再改用三号进砂管10 ;储液罐23中的钻井液由砂泵25排出,并参与钻井液的后续循环;当三个进砂口下方都聚集了大量的岩屑时, 关闭进砂总管I后端的一号蝶阀2,关闭排液蝶阀28,打开三号、四号、五号、六号和七号蝶阀,将储液罐2 Sand into the opening 4, separated by the phase separator four large particles of debris from the intake manifold I through the 1st sand into the sand sand tank 17 into the reservoir port 4, cuttings and drilling fluids containing gas in the reservoir 17 Shaguan after resting, the debris will sink to the lower portion, the middle is the drilling fluid, the upper portion of a gas; reservoir sand tank 17 during the drilling fluid accumulated to a certain amount, the overflow from the discharge pipe through the One overflow valve 18 and II butterfly valve 22 into the reservoir tank 23; a gas discharge 15 by a combustion treatment of the exhaust pipe 14 by the igniter; poor fluidity of cuttings, sand after the 1st intake pipe 4 for some time, the lower portion of the nozzle cuttings can accumulate even plug the sand into the opening, then closing valve 5 III One tube 4 into the sand, the sand instead II into the inlet pipe 7, and so, after a period of time to switch to another three when the sand under the three intake ports are gathered a lot of debris, sand closing the intake manifold I; number of tube 10 into the sand; drilling fluid in the reservoir 23 is discharged from the sand pump 25, and to participate in subsequent cycles of the drilling fluid end of the 1st valve 2, the drain valve 28 closed, opened III, IV, V, VI and the 7th valve, the reservoir 2 3中的钻井液泵入冲砂管27,通过二号溢流蝶阀3和一号、二号和三号冲砂管冲击冲砂管下方的锥形砂体,使砂体平铺于罐体内,以增大罐体的储砂量;当一号溢流蝶阀18前端的溢液管口处的岩屑大量聚集时,关闭二号溢流冲砂蝶阀3、排液蝶阀28和二号溢流蝶阀22,打开一号溢流冲砂蝶阀20,使储液罐中的钻井液被泵到溢液管口处冲击溢液管处的岩屑,防止堵塞溢液管;停用该装置时,将鼓风管16与鼓风机相连,打开排气管14及溢液管上的阀门,关闭其它所有阀门,将储砂罐内上的气体全部吹出罐体,并在排气管出口放置一个长明火,对排出的硫化氢进行燃烧处理,这样就避免了打开罐体处理岩屑时硫化氢中毒事故的发生。 3 The drilling fluid pumped into the sand removal pipe 27, through the overflow valve 3 and II I, II, and III a tapered punch for sand washed sand impact under the sand tube the sand in the tank plated to increase the amount of sand storage tank; when cuttings discharge spout 18 at the front end of the large concentration of One overflow valve closing the overflow II sand flushing valve 3, the drain valve 28 and overflow II when deactivating the apparatus; flow valve 22, opening the 1st washed sand overflow valve 20, so that the reservoir tank is pumped to the drilling fluid at the nozzle discharge cuttings discharge tube at impact, to prevent clogging of discharge tube the blast pipe 16 is connected to the blower, the valve opening on the discharge tube and the exhaust pipe 14, all other valves closed, the gas blown inside the reservoir tank all the sand tank, and an exhaust pipe placed in a long outlet fire, hydrogen sulfide discharged combustion process, thus avoiding the occurrence of hydrogen sulfide poisoning treatment tank open cuttings. [0012] 本发明的优点和有益效果是:在实施含硫地层欠平衡钻井施工时,装置可对四相分离器分离出的含有硫化氢的钻井液和气体的岩屑进行妥善处理,多个进砂管口的设置可以分别处理储砂罐中聚集的沉砂,防止了岩屑的局部聚集,还可以最大限度的增加罐体的储砂量,排气装置的设置可在处理罐体内岩屑之前将含硫气体排出,消除安全隐患。 [0012] The advantages and benefits of the present invention is that: when the sulfur-containing formations embodiment underbalanced drilling, the device may be separated for four phase separator cuttings and drilling fluids containing hydrogen sulfide gas is properly handled, a plurality of sand feed nozzle is provided may process aggregated grit sand tank storage, prevents local accumulation of cuttings, may also be provided to increase the maximum amount of sand storage tank, the tank exhaust gas treatment apparatus can rock in vivo the sulfur-containing gas before discharging cuttings, to eliminate safety hazards. 附图说明:[0013] 图1是本发明的连接和流程示意图。 BRIEF DESCRIPTION OF DRAWINGS: [0013] FIG. 1 is a schematic flow diagram and the connection of the present invention. [0014] 具体实施方法:[0015] 下面结合附图对本发明进一步说明:本发明由进砂管组、冲砂管组、气体处理管组和罐组组成,进砂管组包括进砂总管1、一号进砂管4、二号进砂管7、三号进砂管10,在进砂总管I与一号进砂管4、二号进砂管7、三号进砂管10之间设置有一号蝶阀2、四号蝶阀6和六号蝶阀9 ;一号进砂管4、二号进砂管7、三号进砂管10分别通过三号蝶阀5、五号蝶阀8 和七号蝶阀11与储砂罐17连接;冲砂管组包括冲砂管27、溢液冲砂管21、一号溢液冲砂蝶阀20和二号溢流冲砂蝶阀3,冲砂管组连接在进砂总管I与一号进砂管4之间的三通上;气体处理管组包括排气管14、防回火装置12、防火蝶阀13、鼓风管16,气体处理管组设置在储砂罐17的顶部,防回火装置12和防火蝶阀13设置在排气管14上;罐组包括储砂罐17和储液罐23,储液罐23通过三号溢流蝶阀24与砂泵25相 [0014] DETAILED DESCRIPTION Method: [0015] DRAWINGS further explanation of the invention: The present invention is made into the sand tube groups, sand washing tube group, the process gas tube group and the tank group, and into the sand tubing set includes an intake sand manifold 1 , One pipe 4 into the sand, the sand inlet pipe 7 II, III sand feed tube 10, between the intake manifold I and sand into the sand One tube 4, the tube 7 II into the sand, the sand inlet pipe III 10 valve 2 provided on the 1st, the 4th and the 6th butterfly valve 6 9; sand into the pipe 4 on the 1st, the 2nd tube 7 into the sand, the sand on the 3rd intake pipe 10 respectively by the 3rd valve 5, the 5th and the 7th valve 8 sand tank 11 and the reservoir valve 17 is connected; red sand tubing set 27 comprises a punch tube sand, washed sand discharge pipe 21, the 1st sand washing discharge valve 20 and No. 3 overflow valve washed sand, washed sand in tube set connector I with the 1st intake manifold into the sand tube the sand between the 4-way; tubing set includes an exhaust gas treatment pipe 14, anti-tempering apparatus 12, the fire valve 13, blower tube 16, the gas storage process tube groups provided sand tank 17 of the top anti-tempering apparatus 12 and a fire valve 13 disposed in the exhaust pipe 14; group comprises a reservoir tank 17 and reservoir sand tank 23, an overflow reservoir 23 through the valve 24 and the 3rd sand pump 25 phase ,在砂泵25的排液端连接有一个排液三通26,排液三通26的另外两个出口一端连接冲砂管27,另一端连接排液蝶阀28,可以选择钻井液泵出的流向;在储液罐23与储砂罐17之间设置有一号溢流蝶阀18和二号溢流蝶阀22,在一号溢流蝶阀18和二号溢流蝶阀22之间设置有一个溢流三通19,溢流三通19通过一号溢液冲砂蝶阀20、溢流冲砂管21与冲砂管27连接,可实现选择冲砂管路的目的;在储砂罐17的顶部设置有一鼓风管16,在需要打开储砂罐17处理岩屑时,可连接鼓风管向储砂罐17内鼓风,将含有硫化氢的气体经排气管14带出罐体由点火器15燃烧处理。 , Sand pump 25 at the discharge end of the drain is connected to a tee 26, two further drain outlet 26 is connected to one end of the three-way tube 27 washed sand, and the other end connected to the drain valve 28 may be selected out of the drilling fluid pump flows; reservoir tank 23 is provided with an overflow with an overflow valve 18 and One 22, 18 disposed between the overflow valve 22 and No. II at the first overflow valve between the overflow valve 17 with a reservoir sand tank 19 three-way, three-way 19 through the overflow washed sand discharge valve 20 on the 1st, washed sand overflow pipe 21 is connected to the punch 27 sand, washed sand selected object can be achieved conduit; sand tank 17 provided at the top of the reservoir a blast pipe 16, when the need to open the sand tank 17 storing the cuttings treatment, can be connected to the blast pipe 17 into the reservoir blowing sand tank, the hydrogen sulfide-containing gas through the exhaust pipe 14 out of the tank by the igniter 15 combustion process. [0016] 在进行钻井施工时,现使用一号进砂口4,由四相分离器分离出的大颗粒岩屑,由进砂总管I经过一号进砂口4进入储砂罐17,含有钻井液和气体的岩屑在储砂罐17中经静止后,岩屑会沉入下部,中间是钻井液,上部是气体;储砂罐17中的钻井液积累到一定量时,由溢液管经过一号溢流蝶阀18和二号溢流蝶阀22流入储液罐23中;气体由排气管14 排出并由点火器15进行燃烧处理。 [0016] When performing drilling, sand inlet port R20 is now 4, separated by the phase separator four large particles of debris from the intake manifold I through the sand into the sand One sand tank 17 into the reservoir port 4, comprising drilling fluid and cuttings in the gas reservoir in the sand tank 17 by the stationary, debris will sink lower portion, an intermediate drilling fluid, the upper gas; sand tank 17 when the reservoir is accumulated to a certain amount of drilling fluid, the discharge One overflow through tube 18 and valve 22 into the reservoir tank II overflow valve 23; the gas is discharged from the exhaust pipe 14 by the igniter 15 for the combustion process. 由于岩屑的流动性较差,当一号进砂管4使用一段时间后,管口下部的岩屑会聚集甚至会堵塞进砂口,这时关闭一号进砂管4的三号蝶阀5,改用二号进砂管7进液,以此类推,再过一段时间后再改用三号进砂管10 ;储液罐23中的钻井液由砂泵25排出,并参与钻井液的后续循环;当三个进砂口下方都聚集了大量的岩屑时, 关闭进砂总管I后端的一号蝶阀2,关闭排液蝶阀28,打开三号、四号、五号、六号和七号蝶阀,将储液罐23中的钻井液泵入冲砂管27,通过二号溢流蝶阀3和一号、二号和三号冲砂管冲击冲砂管下方的锥形砂体,使砂体平铺于罐体内,以增大罐体的储砂量;当一号溢流蝶阀18前端的溢液管口处的岩屑大量聚集时,关闭二号溢流冲砂蝶阀3、排液蝶阀28和二号溢流蝶阀22,打开一号溢流冲砂蝶阀20,使储液罐中的钻井液被泵到溢液管口处冲击溢液管处 Because of the poor fluidity of cuttings, sand after intake pipe 4 One period of time, the lower portion of nozzle clogging debris may accumulate even into sand port, then close valve Three sand into the tube 4 One 5 , instead of sand into the 2nd liquid inlet pipe 7, and so, after a period of time before switching to the 3rd intake pipe 10 sand; drilling fluid in the reservoir 23 is discharged from the sand pump 25, and participate in the drilling fluid subsequent cycle; when the three intake ports are gathered below the sand of large debris, into the closed rear end of the sand One manifold valve I 2, close the drain valve 28 is opened III, IV, V, VI, and VII butterfly valve, the reservoir 23 is pumped into the drilling pipe 27 washed sand, washed sand tapered downward washed sand for sand impact tube 3 and through the valve overflow II I, II and III, the sand bodies spread on the tank body, to increase the amount of sand storage tank; when cuttings discharge spout 18 at the front end of the 1st overflow valve of large aggregates, sand washing off the 2nd overflow valve 3, drain valve overflow valve 28 and No. 22, opening the 1st washed sand overflow valve 20, so that the reservoir tank is pumped to the drilling fluid at the nozzle discharge tubes discharge at impact 的岩屑,防止堵塞溢液管;停用该装置时,将鼓风管16与鼓风机相连,打开排气管14及溢液管上的阀门,关闭其它所有阀门,将储砂罐内上的气体全部吹出罐体,并在排气管出口放置一个长明火,对排出的硫化氢进行燃烧处理,这样就避免了打开罐体处理岩屑时硫化氢中毒事故的发生。 The cuttings discharge pipe to prevent clogging; deactivating the device when the blowing tube 16 is connected to the blower, the valve opening on the discharge tube and the exhaust pipe 14, all other valves closed, the reservoir on the sand tank all blown gas tank, an outlet and an exhaust pipe placed in a burning fire, hydrogen sulfide discharged from the combustion process, thus avoiding the poisoning of the hydrogen sulfide treatment of cuttings occurs when opening the tank.

Claims (4)

  1. 1. 一种用于含硫地层欠平衡钻井的岩屑密闭储存装置,由进砂管组、冲砂管组、气体处理管组、储罐组和砂泵组成,其特征在于:a.进砂管组包括进砂管和蝶阀,蝶阀设置在进砂总管与储液罐之间的管道上;b.冲砂管组连接在进砂总管与一号进砂管之间的三通上;c.气体处理管组设置在储砂罐的顶部,在气体处理管组的排气管上设置有防回火装置、防火蝶阀和鼓风管;d.储组包括储砂te和储液te,储液te的如端与储砂te连接,后端与砂栗相连。 A sulfur-containing formation for underbalanced drilling cuttings enclosed storage means, a feed tube groups sand, red sand control group, the process gas tube group, consisting of sand pump and tank group, characterized in that:. A feed sand into the tubing set includes a tube and a sand butterfly valve disposed in the conduit between the manifold and into the sand reservoir; group B sand flushing pipe connected to the three-way between the intake manifold and the sand into the sand One tube; . c group processing gas pipe disposed at the top of the sand tank reservoir, a gas pipe disposed in an exhaust pipe group treated with anti-tempering device, and the fire blast pipe valve;. d storage component comprises a reservoir and a reservoir sand te te , such as a stock solution of te te end of the sand reservoir connected to a rear end connected to the sand Li.
  2. 2.根据权利要求1所述的用于含硫地层欠平衡钻井的岩屑密闭储存装置,其特征在于:在所述储液罐与储砂罐之间设置有一号溢流蝶阀和二号溢流蝶阀。 The storage apparatus for the formation of sulfur-containing sealed underbalanced drilling cuttings according to claim 1, further comprising: an overflow valve is provided with a number one and number two overflow between the reservoir and the reservoir sand tank flow valve.
  3. 3.根据权利要求1所述的用于含硫地层欠平衡钻井的岩屑密闭储存装置,其特征在于:在砂泵的排液端连接有一个排液三通。 The sulfur-containing formation 1 according to underbalanced drilling cuttings enclosed storage apparatus as claimed in claim wherein: a drain connected to the discharge end of the tee sand pump.
  4. 4.根据权利要求1所述的用于含硫地层欠平衡钻井的岩屑密闭储存装置,其特征在于:在所述储砂罐的顶部设置鼓风管。 The storage apparatus for the formation of sulfur-containing sealed underbalanced drilling cuttings according to claim 1, wherein: the blast pipe is provided on top of the sand tank of the reservoir.
CN 200910058241 2009-01-22 2009-01-22 Closed cuttings storage device for sulfur-bearing formation underbalanced drilling CN101525992B (en)

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CN102704862B (en) * 2012-07-02 2015-05-13 中国石油集团西部钻探工程有限公司 Special wellhead tee connecting device for underbalanced drilling

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890549A (en) 1996-12-23 1999-04-06 Sprehe; Paul Robert Well drilling system with closed circulation of gas drilling fluid and fire suppression apparatus
CN201071718Y (en) 2007-07-13 2008-06-11 四川石油管理局钻采工艺技术研究院 Tubular pile type desander
CN201460857U (en) 2009-01-22 2010-05-12 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 Cutting closed storage device for underbanlanced drilling of sulfur-containing formation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5890549A (en) 1996-12-23 1999-04-06 Sprehe; Paul Robert Well drilling system with closed circulation of gas drilling fluid and fire suppression apparatus
CN201071718Y (en) 2007-07-13 2008-06-11 四川石油管理局钻采工艺技术研究院 Tubular pile type desander
CN201460857U (en) 2009-01-22 2010-05-12 中国石油集团川庆钻探工程有限公司钻采工艺技术研究院 Cutting closed storage device for underbanlanced drilling of sulfur-containing formation

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