CN101336344A - 用于电潜泵组件的油密封段 - Google Patents
用于电潜泵组件的油密封段 Download PDFInfo
- Publication number
- CN101336344A CN101336344A CNA2006800523690A CN200680052369A CN101336344A CN 101336344 A CN101336344 A CN 101336344A CN A2006800523690 A CNA2006800523690 A CN A2006800523690A CN 200680052369 A CN200680052369 A CN 200680052369A CN 101336344 A CN101336344 A CN 101336344A
- Authority
- CN
- China
- Prior art keywords
- motor
- shell
- sealing
- pump
- seal
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000000314 lubricant Substances 0.000 claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 74
- 239000012530 fluid Substances 0.000 claims description 34
- 239000008041 oiling agent Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 235000012489 doughnuts Nutrition 0.000 claims 2
- 241000628997 Flos Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
- F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
-
- 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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/08—Sealings
- F04D29/10—Shaft sealings
- F04D29/12—Shaft sealings using sealing-rings
- F04D29/126—Shaft sealings using sealing-rings especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Mechanical Sealing (AREA)
Abstract
位于电潜旋转泵和马达之间的密封段具有主机械密封件和在所述密封段的泵端部的次油密封件。所述机械密封具有彼此滑动接合的刚性密封面。次密封件具有抵接密封所述密封段的轴的内部和抵接密封外壳的外部。所述密封段具有压力平衡装置,其平衡马达润滑剂的压力和井筒压力。
Description
技术领域
本发明通常涉及井用电潜泵组件,尤其涉及一种位于马达和所述泵之间的密封段,用于使马达内的滑润剂压力与井筒压力相平衡。
背景技术
在此所涉及的典型井用电潜泵组件具有通过密封段连接到离心泵上的电动马达。所述马达充满用于润滑其内轴承的电介质润滑剂。所述密封段具有压力平衡装置,该压力平衡装置可以为囊状件或U形管装置,用于使马达内的润滑剂压力与外部的井筒流体压力相平衡。
所述密封段具有轴,该轴一端结合到马达轴上,另一端结合到泵轴上。在密封段的外壳和轴之间的机械密封件减小井筒流体侵蚀所接触的密封段和马达内的润滑剂。所述机械密封件一般具有刚性表面,该刚性表面相向偏置并且彼此以滑动结合的方式进行旋转。所述机械密封件的旋转部件连接到与之旋转的轴上。固定部件连接外壳上。所述滑动密封面的一侧暴露于井筒流体,另一侧暴露于润滑剂。具有这种性质的机械密封面为了运转必须保持湿润,因此它们设计成具有较少的漏失量。虽然漏失量很小,但是随着时间的推移,井筒流体还是会进入马达并且能够引起故障。
延缓井筒流体进入马达的一种方法就是提供多个密封段,每个密封段包括至少一个机械密封件。这种布置增加了成本和设备的额外长度。
发明内容
本发明的密封段具有位于泵和马达之间的外壳,所述外壳具有泵端部和马达端部。轴延伸穿过外壳,以使马达驱动所述泵。主密封件位于外壳的主端部。所述主密封件具有安装到所述轴上与所述轴一同旋转的旋转密封件,并且该旋转密封件与固定密封件接合,所述固定密封件围绕所述轴固安地安装到所述外壳上。次密封件位于主密封件的马达侧的外壳泵端部处。所述次密封件具有摩擦接合外壳的外径和滑动结合所述轴的内径。
优选地是,次密封件和主密封件之间的空间内充满油,以为主密封件提供润滑。所述油可以比马达润滑剂更难以与水乳化,或者与马达润滑剂相同。所述次密封件使主密封件和次密封件之间的流体同密封段内的马达润滑剂分隔开。所述次密封件可包括常规的廉价油密封件。
附图说明
图1为示意性地示出井筒内电潜泵组件的侧面正视图。
图2为图1所示电潜泵组件的密封段的放大剖视图。
图3为图2的密封段的上端部分的另一放大视图。
具体实施方式
参看图1,井具有套管11,该套管11具有使井流体进入的射孔孔眼.生产油管13的管柱延伸到所述井内。电潜泵组件15固定到油管13并悬挂于所述油管13上。
电潜泵组件15包括实施例所示的旋转泵17,该旋转泵包括具有多级的离心泵。每一级具有旋转叶轮和固定扩散器(未示出)。可选择地是,泵17可以为另外的形式,如螺杆泵(progressing cavity pump)。在单螺杆泵中,螺旋转子在具有双螺旋孔的固定弹性定子内旋转。
泵17由马达19驱动,该马达19一般为交流电(AC)电动马达。密封段21在泵17和马达19之间延伸。密封段21起到平衡马达19内的润滑剂压力和井筒流体压力的作用。参看附图2,密封段21具有外壳23。外壳23为管状部件,其具有泵适配器或泵端部25和马达适配器或马达端部27。在该实施例中,泵端部25和马达端部27为通过螺丝固定到外壳23上的独立管状部件,但是它们也可以与外壳23整体形成。泵端部25连接到泵17上(图1),而马达端部27连接到马达19上(图1)。
同心轴向通道29延伸穿过泵端部25、马达端部27和在泵端部25与马达端部27之间的外壳23的内部。旋转轴31在密封段21的轴线上延伸穿过通道29。轴31具有结合到马达轴32上的下端,所述马达轴32由马达19驱动旋转。
管33具有在通道29处密封连接到密封段马达端部27的下端。管33具有在泵端部25处密封连接到通道29的上端。轴31延伸穿过管33且其外径小于管33,并且在轴31和管33之间限定了一个间隙。
密封段21具有压力平衡装置,在该实施例中,该压力平衡装置包括位于外壳23内并围绕管33的管状囊状件35。囊状件35为一具弹性部件,其在泵端部25的正下方具有密封连接到管33的上端。囊状件35的下端密封连接到密封段马达端部27。马达润滑剂口37从囊状件35的内部延伸入马达19的上部。来自马达19的润滑剂39能够穿过马达润滑剂口37循环进入囊状件35内部。井筒流体入口41延伸穿过密封段泵端部25,以允许井筒流体进入囊状件35外部的外壳23的内部。囊状件35起到平衡润滑剂39的压力和井筒流体压力的作用。
管33在其内也具有口43,以允许润滑剂39流入管33和轴31之间的间隙。在该实施例中,马达19的上端包括通过马达润滑剂39润滑的推力轴承45。马达19具有另外的轴承(未示出),所述另外的轴承也与马达润滑剂39相通。
参看图3,在该示例中,泵端部25具有中心空腔47,其正对泵17(图1)并且与泵17的内部流体连通。因此,井筒流体在空腔47内被润滑。主密封件49围绕空腔47内的轴31密封,以阻止井筒流体进入通道29内。主密封件49为机械密封件。在此使用的机械密封件这一术语指的是具有两个彼此滑动接合的刚性密封面的密封件。在所示实施例中,旋转密封件51与轴31一同旋转。弹性保护罩(elastomericboot)53将旋转密封件51密封连接到轴31上并且与之一起旋转。旋转密封组件51具有朝下的刚性密封面55,并具有圆柱形突起。空腔47内的弹簧57向下推旋转密封件51并且与轴31一起旋转。弹簧57包括卷簧,其环绕旋转密封件51。旋转密封件51的内径在该点大于轴31的直径,并限定了一个间隙。
主密封件49具有固定的刚性密封件59,密封件59具有位于垂直于轴31的平面内的面。旋转部件密封面55滑动接合固定密封件59的所述面。旋转密封件51和固定密封件59由硬质、耐磨的成分制成,如碳化钨。弹性部件61(如O形环)将固定密封件59的外径密封连接通道29内的外壳泵端部25。固定密封件59在该点具有大于轴31外径的内径,并且限定了一个环形间隙。
次密封件65位于固定密封件59的马达侧,所述马达侧是与旋转密封件51相反的固定密封件59的一侧。次密封件65可为各种类型。优选地是,它可以为常规的廉价油密封件。在所示的示例中,次密封件65具有内部密封件67,当轴31旋转时,该内部密封件67滑动接合轴31。虽然没有示出,但是轴31可以具有与之一起旋转的衬套或套筒,并且所述衬套或套筒由内部密封件67接合。在此广泛使用的术语“轴”包括安装到其上并与之旋转的任何套筒或衬套。内部密封件67由支架69承载,支架69向外延伸并且具有紧固在通道29内的圆柱形部分。所述支架69一般为金属制品,并且在通道27处压力配合成与外壳23密封接合。支架69内的弹簧(未示出)将内部密封件67径向向内推靠在轴31上。主密封件49和次密封件65限定一密封室63,该密封室63从次密封件65起始,延伸穿过轴31与固定密封件59以及旋转密封件51之间的间隙,并向上到达橡胶保护罩53的内部。
优选地是,密封室63充满油70,优选为fluroinert油。油70可以与马达润滑剂39相同,但是优选地是,它可以比马达润滑剂39更粘并且比马达润滑剂39更难与水乳化。不必要地是,油70具有与马达润滑剂39一样的高电介质特性。不同于马达润滑剂39,油79不需要循环通过马达19(图1)和密封段21,因此可以更粘。
仍然参看图3,在该示例中,固定衬套或轴承71位于次密封件65下方的通道29内。真空口73延伸穿过次密封件65下方的泵端部25,以便在引入马达润滑剂39之前从马达19内部(图1)排空空气。真空口73与囊状件35的内部相通。用于引入马达润滑剂39的填充口(未示出)位于马达19的下部中。排放口75连接真空口73,并且通向外壳23内囊状件35的外部。排放口75包括一个或多个单向阀77,该单向阀77允许马达润滑剂39由于热膨胀而从囊状件35的内部排放到外壳23内的囊状件35外部,但是阻止其以相反方向流动。在填充之后,在真空口73内放置塞子。同样,当排空和充满时,在井筒入口41放置塞子。当将泵组件下入井内时,需要去除所述塞子。
在作业时,在下入之前需要在地面将密封段21连接到马达19上。在主密封件49和次密封件65之间的室将充满油70。通过常规的方式,操作者将马达19和密封段21充注马达润滑剂39。通常,通过从真空口73进行排放,然后从马达19下部的填充口引入马达润滑剂39就能实施上述充注。当完全充满时,马达润滑剂39位于囊状件35内、管33内和通道29内,向上直到次密封件65。油70位于在次密封件65另一侧的密封室63内。真空口73将被堵上,并且井筒流体入口41将被打开。操作者将泵17连接到泵端部25,并且将所述组件下入到井内,通常通过套管13(图1)。
在到达适当的深度后,操作者通过电缆对马达19供电,马达19旋转轴31以驱动泵17。通常具有高含水量的井筒流***于囊状件35外部的外壳23内。囊状件35将井筒流体压力传递到马达润滑剂39。井筒流体也位于空腔47内(图3)。主密封件49密封以阻止从空腔47进入通道29的井筒流体的侵蚀。旋转密封件51与轴31一起旋转,密封面55接合固定密封件59。油70润滑密封件51和59的密封面。进入在主密封件和次密封件49、65之间的密封室63的井筒流体出现一些渗漏,但是次密封件65保持井筒流体不进入囊状件35的内部。在泵组件15被牵引之前,即使次密封件65最后渗漏,也延长了井筒流体进入囊状件35的时间。
本发明具有相当多的优点。次密封件的使用延长了井筒流体进入而与马达润滑剂相通的时间。次密封件可以避免需要多个密封段。次密封件允许使用用于润滑主密封件的专用油,这种油比马达润滑剂更难以与水乳化。
虽然本发明仅仅示出了一种形式,但是本领域技术人员很显然并不只限定在这种形式,而是在不脱离本发明的范围的情况下可以有多种变化。例如,次密封件可应用于如下密封段,该密封段采用U形管结构而非囊状件作为压力平衡装置。
Claims (16)
1.一种电潜泵组件,其具有由马达驱动的旋转泵、位于马达和所述泵之间的改进的密封段,该密封段用于平衡马达内的马达润滑剂压力和泵组件外部的井筒流体压力,所述密封段包括:
位于泵和马达之间并具有泵端部和马达端部的外壳;
延伸穿过外壳的轴,以使马达驱动所述泵;
在外壳的泵端部的主密封件,所述主密封件具有安装到轴上且与所述轴一起旋转的旋转密封件,并且该旋转密封件与固定密封件接合,所述固定密封件围绕所述轴固定地安装到所述外壳上;以及
位于主密封件的马达侧的外壳的泵端部处的次密封件,所述次密封件具有滑动接合所述轴的内径部分和固定密封接合外壳的外径部分。
2.如权利要求1所述的泵组件,其特征在于,主密封件和次密封件在它们之间限定有腔室,所述腔室被密封而与包含在外壳内的马达润滑剂分隔开。
3.如权利要求1所述的泵组件,其特征在于,还包括位于主密封件和次密封件之间的油,所述油比马达润滑剂更难以与水乳化并且更粘。
4.如权利要求1所述的泵组件,其特征在于,还包括外壳内围绕所述轴并位于主密封件和次密封件之间的环形室;以及
所述环形室充满Fluroinert油。
5.如权利要求1所述的泵组件,其特征在于,还包括:
外壳内的囊状件,所述轴延伸穿过所述囊状件,所述囊状件具有与马达内的马达润滑剂流体连通的内部,所述囊状件具有与井筒流体流体连通的外部;
在外壳的泵端部的环形通道,所述轴延伸穿过所述环形通道,所述环形通道与囊状件的内部流体连通;以及
主密封件的固定密封件和次密封件位于环形通道内。
6.如权利要求5所述的泵组件,其特征在于,还包括在主密封件和次密封件之间的环形通道内的室,所述室被密封而与囊状件的内部和外部分隔开。
7.如权利要求1所述的泵组件,其特征在于,还包括:
与所述轴一起旋转的卷簧,该卷簧将旋转密封件推靠在固定密封件上,所述卷簧位于相反于次密封件的固定密封件一侧。
8.如权利要求1所述的泵组件,其特征在于,主密封件的所述旋转密封件和固定密封件具有大于轴的直径的内径,由此提供间隙以使流体连通。
9.一种电潜泵组件,其包括:
旋转泵;
包含润滑剂的马达;
位于泵和马达之间并且具有泵端部和马达端部的外壳;
在外壳内的压力平衡装置,以平衡马达内的马达润滑剂压力和外壳外部的井筒流体压力;
在外壳的泵端部的通道;
延伸穿过外壳内的通道的轴,以使马达驱动所述泵;
在外壳的泵端部的主密封件,所述主密封件具有旋转密封件,所述旋转密封件具有刚性密封面并安装到所述轴上,以与所述轴一同旋转,所述主密封件具有安装在通道内的固定密封件,所述固定密封件具有大于轴的直径的内径和垂直于轴的刚性密封面;
卷簧,所述卷簧朝向外壳的马达端部方向将旋转密封件的密封面推靠在固定密封件的密封面上;
次密封件,所述次密封件安装在外壳的泵端部处的通道内,所述次密封件位于相反于所述卷簧的固定密封件一侧,所述次密封件具有密封接合所述轴的内径和密封接合外壳的外径;并且次密封件和主密封件在它们之间限定有密封室,该密封室被密封而同外壳的内部分隔开。
10.如权利要求9所述的电潜泵组件,其特征在于,在主密封件和次密封件之间的密封室充满流体。
11.如权利要求9所述的电潜泵组件,其特征在于,在主密封件和次密封件之间的密封室充满油,所述油比马达内的润滑剂更粘。
12.如权利要求9所述的电潜泵组件,其特征在于,所述压力平衡装置还包括:
外壳内的囊状件,所述囊状件具有与马达内的润滑剂流体连通的内部,以及
在主密封件和次密封件之间的密封室被密封而同包含在囊状件内部的润滑剂分隔开。
13.一种电潜泵组件,其包括:
位于泵和井下马达之间的外壳,所述外壳具有泵端部和马达端部;
延伸穿过外壳的泵端部的通道;
延伸穿过外壳的泵端部的通道的轴,以旋转所述泵;
在外壳内的管状囊状件,所述囊状件具有泵端部开口和马达端部开口,所述泵端部开口密封到外壳的泵端部,所述马达端部开口密封到外壳的马达端部,并且所述囊状件限定一内部以容装马达润滑剂;
井筒流体进入围绕囊状件的外壳内的井筒口;
具有刚性密封面的主密封件,当轴旋转时,所述刚性密封面彼此滑动接合,以在轴与外壳的泵端部处的外壳之间形成密封;
次密封件,所述次密封件安装在外壳的泵端部处的通道内,所述次密封件位于主密封件的马达端部侧,所述次密封件在轴和外壳之间形成密封,并且所述次密封件具有与囊状件的内部流体连通的马达侧;以及
次密封件和主密封件在它们之间限定有密封室,该密封室被密封而与囊状件的内部分隔开。
14.如权利要求13所述的电潜泵组件,其特征在于,所述次密封件包括:
当轴旋转时,滑动并密封接合轴的内径部分;以及
摩擦接合外壳的外径部分。
15.如权利要求13所述的电潜泵组件,其特征在于,所述密封室充满润滑剂,所述润滑剂比马达润滑剂更粘并且更难以与水乳化。
16.如权利要求13所述的电潜泵组件,其特征在于,所述主密封件包括位于所述密封室外部的卷簧,用于迫使所述刚性密封面相互配合。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/312,624 US7665975B2 (en) | 2005-12-20 | 2005-12-20 | Seal section oil seal for submersible pump assembly |
US11/312,624 | 2005-12-20 | ||
PCT/US2006/048598 WO2007075781A2 (en) | 2005-12-20 | 2006-12-20 | Seal section oil seal for submersible pump assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101336344A true CN101336344A (zh) | 2008-12-31 |
CN101336344B CN101336344B (zh) | 2010-11-03 |
Family
ID=38080831
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006800523690A Expired - Fee Related CN101336344B (zh) | 2005-12-20 | 2006-12-20 | 用于电潜泵组件的油密封段 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7665975B2 (zh) |
CN (1) | CN101336344B (zh) |
CA (1) | CA2633403C (zh) |
RU (1) | RU2423623C2 (zh) |
WO (1) | WO2007075781A2 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110741134A (zh) * | 2017-07-25 | 2020-01-31 | 哈利伯顿能源服务公司 | 弹性体密封袋保护装置 |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7665975B2 (en) | 2005-12-20 | 2010-02-23 | Baker Hughes Incorporated | Seal section oil seal for submersible pump assembly |
US7530391B2 (en) * | 2006-05-31 | 2009-05-12 | Baker Hughes Incorporated | Seal section for electrical submersible pump |
US8807966B2 (en) * | 2007-07-20 | 2014-08-19 | Schlumberger Technology Corporation | Pump motor protector with redundant shaft seal |
US20090041597A1 (en) * | 2007-08-09 | 2009-02-12 | Baker Hughes Incorporated | Combined Seal Head and Pump Intake for Electrical Submersible Pump |
NO327557B2 (no) * | 2007-10-09 | 2013-02-04 | Aker Subsea As | Beskyttelsessystem for pumper |
US8419387B1 (en) * | 2008-09-25 | 2013-04-16 | Ge Oil & Gas Esp, Inc. | Bag seal mounting plate with breather tube |
US7780424B2 (en) * | 2008-10-21 | 2010-08-24 | Baker Hughes Incorporated | Self leveling dynamically stable radial bearing |
US8221092B2 (en) * | 2008-10-31 | 2012-07-17 | Baker Hughes Incorporated | Downhole electrical submersible pump seal |
WO2010077666A2 (en) | 2008-12-08 | 2010-07-08 | Baker Hughes Incorporated | Improved submersible pump motor cooling through external oil circulation |
US8721181B2 (en) * | 2010-09-29 | 2014-05-13 | Baker Hughes Incorporated | Keyless bearing sleeve for subterranean applications |
US8342821B2 (en) | 2010-10-21 | 2013-01-01 | Baker Hughes Incorporated | Tuned bearing |
WO2012088328A1 (en) * | 2010-12-21 | 2012-06-28 | Sta-Rite Industries, Llc | Pressure compensating wet seal chamber |
US9347458B2 (en) | 2010-12-21 | 2016-05-24 | Pentair Flow Technologies, Llc | Pressure compensating wet seal chamber |
CN102146780B (zh) * | 2011-03-16 | 2014-04-02 | 深圳市大族激光科技股份有限公司 | 一种潜油直线电机呼吸器 |
US8651836B2 (en) | 2011-04-08 | 2014-02-18 | Baker Hughes Incorporated | Torque transmitting rings for sleeves in electrical submersible pumps |
US8932034B2 (en) | 2011-06-29 | 2015-01-13 | Baker Hughes Incorporated | Well pump with seal section having a labyrinth flow path in a metal bellows |
US8790072B2 (en) | 2011-08-16 | 2014-07-29 | Weir Floway, Inc. | Bearing assembly for a vertical turbine pump |
US8641389B2 (en) * | 2011-11-23 | 2014-02-04 | Baker Hughes Incorporated | Stacked labyrinth chambers for use with an electrical submersible pump |
US9593693B2 (en) | 2012-03-19 | 2017-03-14 | Ge Oil & Gas Esp, Inc. | Seal section with parallel bag sections |
WO2013158730A1 (en) * | 2012-04-17 | 2013-10-24 | Sta-Rite Industries, Llc | Pressure compensating wet seal chamber |
WO2013166392A1 (en) * | 2012-05-03 | 2013-11-07 | Baker Hughes Incorporated | Method and apparatus to control water migration into electrical submersible pump motors |
US9394909B2 (en) | 2012-08-01 | 2016-07-19 | Schlumberger Technology Corporation | Submersible pump housing with seal bleed ports |
US9366120B2 (en) * | 2013-01-24 | 2016-06-14 | Baker Hughes Incorporated | Bladder stress reducer cap |
US20140209291A1 (en) * | 2013-01-28 | 2014-07-31 | Schlumberger Technology Corporation | Seals for electric submersible pump |
DE102013003445A1 (de) * | 2013-02-26 | 2014-09-11 | Eagleburgmann Germany Gmbh & Co. Kg | Bohrloch-Fördervorrichtung |
US9534603B2 (en) | 2013-05-10 | 2017-01-03 | Summit Esp, Llc | Apparatus and system for a thrust-absorbing horizontal surface pump assembly |
CA2911254C (en) * | 2013-05-10 | 2016-10-04 | Summit Esp, Llc | Apparatus, system and method for sealing submersible pump assemblies |
US10473106B2 (en) * | 2013-05-10 | 2019-11-12 | Halliburton Energy Services, Inc. | Apparatus and system for sealing submersible pump assemblies |
RU2659604C2 (ru) * | 2013-12-20 | 2018-07-03 | ДжиИ ОЙЛ ЭНД ГЭС ЭСП, ИНК. | Конструкция протектора для электрических погружных насосных систем |
CA2940171C (en) * | 2014-02-24 | 2022-03-15 | Ge Oil & Gas Esp, Inc. | Downhole wet gas compressor processor |
CA2946521C (en) * | 2014-05-01 | 2021-03-16 | Ge Oil & Gas Esp, Inc. | Redundant shaft seals in esp seal section |
WO2015172087A1 (en) * | 2014-05-08 | 2015-11-12 | Baker Hughes Incorporated | Esp mechanical seal lubrication |
US9988887B2 (en) | 2014-05-08 | 2018-06-05 | Baker Hughes, A Ge Company, Llc | Metal bellows equalizer capacity monitoring system |
WO2015172081A1 (en) * | 2014-05-08 | 2015-11-12 | Baker Hughes Incorporated | Oil injection unit |
US9869322B2 (en) * | 2014-05-16 | 2018-01-16 | Baker Hughes, A Ge Company, Llc | Metal bellows seal section and method to evacuate air during filling |
US10323641B2 (en) * | 2014-05-23 | 2019-06-18 | Baker Hughes, A Ge Company, Llc | Below motor equalizer of electrical submersible pump and method for filling |
US9970272B2 (en) | 2014-06-06 | 2018-05-15 | Baker Hughes, A Ge Company, Llc | Oil pressure regulator for electrical submersible pump motor |
WO2016032521A1 (en) | 2014-08-29 | 2016-03-03 | Ge Oil & Gas Esp, Inc. | Fluid expansion chamber with protected bellow |
US10036399B2 (en) | 2014-08-29 | 2018-07-31 | VP Sales and Company, LP | Mechanical seal lubrication system |
US9777560B2 (en) * | 2014-11-20 | 2017-10-03 | Baker Hughes Incorporated | Auxiliary face seal for submersible well pump seal section |
US10302089B2 (en) * | 2015-04-21 | 2019-05-28 | Baker Hughes, A Ge Company, Llc | Circulation pump for cooling mechanical face seal of submersible well pump assembly |
US9850714B2 (en) | 2015-05-13 | 2017-12-26 | Baker Hughes, A Ge Company, Llc | Real time steerable acid tunneling system |
US10082150B2 (en) * | 2015-08-06 | 2018-09-25 | Baker Hughes, A Ge Company, Llc | Seal section with internal lubricant pump for electrical submersible well pump |
WO2017155667A1 (en) * | 2016-03-09 | 2017-09-14 | Baker Hughes Incorporated | Labyrinth chamber for horizontal submersible well pump assembly |
US10519755B2 (en) | 2016-08-09 | 2019-12-31 | Baker Hughes, A Ge Company, Llc | Sealed eccentric drive for submersible pump |
WO2018111596A1 (en) | 2016-12-16 | 2018-06-21 | Baker Hughes, A Ge Company, Llc | Electrically powered motor lubricant pressure compensator for submersible pump motor |
RU2681727C1 (ru) * | 2018-01-29 | 2019-03-12 | Александр Семенович Дубовик | Уплотнительный герметичный модуль центробежного насоса |
CN112106279B (zh) * | 2018-02-23 | 2023-10-27 | 提取管理有限责任公司 | 电潜式泵送单元 |
NO20210467A1 (en) * | 2018-09-20 | 2021-04-15 | Baker Hughes Oilfield Operations Llc | Isolated chamber for mechanical face seal leakageinsubmersible well pump assembly |
RU2688127C9 (ru) * | 2018-09-21 | 2019-07-02 | Иван Соломонович Пятов | Устройство для гидравлической защиты погружного электродвигателя |
US11293551B2 (en) | 2018-09-30 | 2022-04-05 | ColdQuanta, Inc. | Break-seal system with breakable-membrane bridging rings |
US10928841B2 (en) * | 2018-10-26 | 2021-02-23 | Baker Hughes, A Ge Company, Llc | Seal section check valve with protection tube |
US11519249B2 (en) * | 2019-03-18 | 2022-12-06 | Baker Hughes Oilfield Operations, Llc | Gas vent for a seal section of an electrical submersible pump assembly |
US11603854B2 (en) | 2019-07-31 | 2023-03-14 | Baker Hughes Oilfield Operations Llc | Electrical submersible pump seal section reduced leakage features |
CN111636686A (zh) * | 2020-05-26 | 2020-09-08 | 中国核工业华兴建设有限公司 | 一种双液压千斤顶驱动柱塞式灌浆泵及其操作方法 |
US20220099103A1 (en) * | 2020-09-28 | 2022-03-31 | Electromechanical Research Laboratories, Inc. | Mechanical Seal Including Recovery Port For Use With Pumps |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2002913A (en) * | 1932-09-26 | 1935-05-28 | Menhorn Inc | Submersible motor structure with mechanical seal |
US1970484A (en) * | 1933-03-30 | 1934-08-14 | Reda Pump Company | Oil filled submergible electric motor |
US2020513A (en) * | 1934-02-05 | 1935-11-12 | Menhorn Inc | Oil-sealed submersible structure |
US2287034A (en) * | 1938-12-31 | 1942-06-23 | Byron Jackson Co | Pumping apparatus |
US2320708A (en) * | 1940-11-22 | 1943-06-01 | Smith Corp A O | Submersible electrically driven pump |
US2404783A (en) * | 1944-08-01 | 1946-07-30 | Byron Jackson Co | Submersible motor |
US3384769A (en) * | 1965-08-25 | 1968-05-21 | Franklin Electric Co Inc | Modular motor assembly |
US3475634A (en) * | 1967-08-17 | 1969-10-28 | Alexandr Antonovich Bogdanov | Submergible oil-filled electric motor with a protecting unit for the drive of a submergible well pump |
US3502919A (en) * | 1969-01-02 | 1970-03-24 | Borg Warner | Submersible motor seal section |
US3671786A (en) * | 1970-07-06 | 1972-06-20 | Borg Warner | Motor and seal section utilizing a fluorinated ether as a single, homogenous, blocking cooling and lubricating fluid |
US3854064A (en) * | 1973-05-10 | 1974-12-10 | Trw Inc | Mechanical seal isolator |
USRE30382E (en) * | 1978-10-16 | 1980-08-26 | Sta-Rite Industries, Inc. | Assembly for sealing and pressure equalization of a submersible housing |
US4462765A (en) * | 1981-12-04 | 1984-07-31 | Rodkin Valentin V | Liquid-proofing system for an electric motor of a deep-well pumping unit |
US4491331A (en) * | 1981-12-23 | 1985-01-01 | Hughes Tool Company | Grooved mechanical face seal |
CN1012202B (zh) * | 1988-02-06 | 1991-03-27 | 陆逢升 | 具有协同密封***的全干式潜水电泵 |
CN2037408U (zh) * | 1988-09-21 | 1989-05-10 | 温州机械密封件厂 | 潜水泵用盒式双端面机械密封 |
US4992689A (en) * | 1989-11-29 | 1991-02-12 | Camco, Inc. | Modular protector apparatus for oil-filled submergible electric motors |
IT1254599B (it) | 1992-02-07 | 1995-09-28 | Pompa centrifuga multistadi | |
US5367214A (en) * | 1992-11-18 | 1994-11-22 | Turner Jr John W | Submersible motor protection apparatus |
US5404061A (en) * | 1993-09-07 | 1995-04-04 | Camco International Inc. | Oil-filled motor protector |
DE29514832U1 (de) | 1995-09-15 | 1995-11-16 | Grenke | Dichtungsanordnung für eine rotierende Pumpe |
US5796197A (en) * | 1996-12-09 | 1998-08-18 | Franklin Electric Co., Inc. | Submersible motor sealing system |
CN2307133Y (zh) * | 1997-02-18 | 1999-02-10 | 胜利石油管理局胜利采油厂 | 潜油电机整体式保护装置 |
US6307290B1 (en) * | 1998-03-16 | 2001-10-23 | Camco International, Inc. | Piston motor protector, and motor and pumping system incorporating the same |
US6422822B1 (en) * | 2000-06-15 | 2002-07-23 | Shell Oil Company | Pressurized seal for submersible pumps |
US6379127B1 (en) * | 2000-09-29 | 2002-04-30 | Lawrence Pumps, Inc. | Submersible motor with shaft seals |
US6602059B1 (en) * | 2001-01-26 | 2003-08-05 | Wood Group Esp, Inc. | Electric submersible pump assembly with tube seal section |
US6685445B2 (en) * | 2001-09-20 | 2004-02-03 | Huang-Chang Wu | Structure of a vertical-type, acid and base resistance pump |
US6666664B2 (en) * | 2002-02-15 | 2003-12-23 | Schlumberger Technology Corporation | Technique for protecting a submersible motor |
US7665975B2 (en) | 2005-12-20 | 2010-02-23 | Baker Hughes Incorporated | Seal section oil seal for submersible pump assembly |
-
2005
- 2005-12-20 US US11/312,624 patent/US7665975B2/en not_active Expired - Fee Related
-
2006
- 2006-12-20 CA CA2633403A patent/CA2633403C/en not_active Expired - Fee Related
- 2006-12-20 WO PCT/US2006/048598 patent/WO2007075781A2/en active Application Filing
- 2006-12-20 RU RU2008129634/06A patent/RU2423623C2/ru not_active IP Right Cessation
- 2006-12-20 CN CN2006800523690A patent/CN101336344B/zh not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110741134A (zh) * | 2017-07-25 | 2020-01-31 | 哈利伯顿能源服务公司 | 弹性体密封袋保护装置 |
CN110741134B (zh) * | 2017-07-25 | 2022-03-08 | 哈利伯顿能源服务公司 | 弹性体密封袋保护装置 |
Also Published As
Publication number | Publication date |
---|---|
RU2423623C2 (ru) | 2011-07-10 |
US7665975B2 (en) | 2010-02-23 |
RU2008129634A (ru) | 2010-01-27 |
WO2007075781A2 (en) | 2007-07-05 |
WO2007075781A3 (en) | 2007-08-30 |
US20070140876A1 (en) | 2007-06-21 |
CA2633403A1 (en) | 2007-07-05 |
CA2633403C (en) | 2011-09-13 |
CN101336344B (zh) | 2010-11-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101336344B (zh) | 用于电潜泵组件的油密封段 | |
CA2840417C (en) | Well pump with seal section having a labyrinth flow path in a metal bellows | |
US7530391B2 (en) | Seal section for electrical submersible pump | |
RU2405904C2 (ru) | Буровой снаряд для скважины (варианты) и опорный механизм и турбинная силовая установка для бурового снаряда | |
US10082150B2 (en) | Seal section with internal lubricant pump for electrical submersible well pump | |
CA2912288C (en) | Auxiliary face seal for submersible well pump seal section | |
US8790072B2 (en) | Bearing assembly for a vertical turbine pump | |
US20150004031A1 (en) | Compliant Radial Bearing for Electrical Submersible Pump | |
US8118089B2 (en) | Down hole delivery system | |
AU2016251882B2 (en) | Circulation pump for cooling mechanical face seal of submersible well pump assembly | |
US20150118067A1 (en) | Upthrust Module for Well Fluid Pump | |
US10584711B2 (en) | One-piece labyrinth disc chamber for centrifugal well pump | |
CN101216047B (zh) | 用于电潜泵的密封段 | |
RU2326227C2 (ru) | Двухроторный турбобур |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101103 Termination date: 20131220 |