| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Downhole apparatus and method | EP12161363.2 | 2009-02-27 | EP2472054A1 | 2012-07-04 | Nutley, Kim; Nutley, Brian; Robitaille, Glen |
A downhole apparatus (410) is described comprising a body (412) and a sealing arrangement located on the body. The body has a longitudinal axis and the sealing arrangement comprises at least one elongated sealing member (330) with an axis of elongation extending around the longitudinal axis. The sealing member (330) comprises a material selected to expand on exposure to at least one predetermined fluid, such as a hydrocarbon or aqueous fluid encountered in a wellbore.
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| 62 | Downhole apparatus and method | EP12161359.0 | 2009-02-27 | EP2472053A1 | 2012-07-04 | Nutley, Kim; Nutley, Brian; Robitaille, Glen |
A downhole apparatus is described comprising a body (12) and a sealing arrangement (15) located on the body. The body (12) has a longitudinal axis (L) and the sealing arrangement comprises at least one elongated sealing member (30) with an axis of elongation extending around the longitudinal axis (L). The sealing member (30) comprises a material selected to expand on exposure to at least one predetermined fluid, such as a hydrocarbon or aqueous fluid encountered in a wellbore.
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| 63 | Downhole apparatus and method | EP09153898.3 | 2009-02-27 | EP2096255A1 | 2009-09-02 | Nutley, Kim; Nutley, Brian; Robitaille, Glen |
A downhole apparatus is described comprising a body (12) and a sealing arrangement (15) located on the body (12). The body (12) has a longitudinal axis (L) and the sealing arrangement (15) comprises at least one elongated sealing member (30) with an axis of elongation extending around the longitudinal axis (L). The sealing member comprises a material selected to expand on exposure to at least one predetermined fluid, such as a hydrocarbon or aqueous fluid encountered in a wellbore. A method of forming the apparatus and methods of use are described. Embodiments of the invention relate to wellbore packers.
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| 64 | 건물하부 천공형 지열히트펌프 시스템 및 그 설치 공법 | KR1020110110976 | 2011-10-28 | KR101150413B1 | 2012-06-01 | 김금파 |
| PURPOSE: A geothermal heat pump system placed on the lower parts of buildings and an installation method thereof are provided to prevent groundwater from flowing into a machine room so that a construction structure is rigidly maintained. CONSTITUTION: A geothermal heat pump system placed on the lower parts of buildings and an installation method thereof are as follows. Gravel and sand are placed and hardened on an upper part of a ground surface. Sub-slab concrete is placed on the sand and gravel. A sleeve equipped with a water stop is fastened to steel reinforcements and vertically installed on the sub-slab concrete. Floor slab concrete is placed on the sub-slab concrete. The floor slab concrete is integrated with the sleeve. | ||||||
| 65 | 지중 열교환기의 그라우팅용 스페이서 및 이를 이용한 그라우팅 시공방법 | KR1020110086289 | 2011-08-29 | KR101140756B1 | 2012-04-30 | 박성구; 전보경 |
| PURPOSE: A spacer for grouting of an underground heat exchanger and a grouting construction method using the same are provided to perform grouting construction in a state an underground heat exchanger maintains a gap in a boring hole. CONSTITUTION: A spacer for grouting of an underground heat exchanger comprises a grouting pipe and a spacer(300). The grouting pipe is inserted into between U-shaped underground heat exchangers arranged in a boring hole, which is formed in the ground. The spacer comprises a body(310), and a side hole(320) and a protrusion. The body has a jetting hole. The jetting hole is connected to a connecting pipe(311) coupled to the lower end of the grouting pipe. Grouting solution provided through the grouting pipe is discharged through the jetting hole through the boring hole. | ||||||
| 66 | 수직밀폐형 지중열교환기의 그라우팅 시공방법 | KR1020100051171 | 2010-05-31 | KR100985854B1 | 2010-10-08 | 김인호; 이용현; 이장호 |
| PURPOSE: A method for constructing a grouting of a vertical closed-loop ground heat exchanger is provided to improve thermal conductivity by the grouting construction of a ground heat exchanger using gravel and non-shrink mortar. CONSTITUTION: A method for constructing a grouting of a vertical closed-loop ground heat exchanger comprises following steps. An excavation of 50~300m depth is formed underground. An underground heat exchanger is installed to the bottom of the excavation. First grouting is performed by filling from the bottom of the excavation to the rock bed portion with aggregate. Second grouting is performed by filling from the rock bed portion o the top of the ground with asystole mortar. | ||||||
| 67 | 밀폐형 지열시스템의 유체순환장치 및 열복원관 및 열복원관 시공방법 | KR1020090062002 | 2009-07-08 | KR100949816B1 | 2010-03-29 | 안근묵 |
| PURPOSE: A fluid circulator of a closed geothermal system, and a heat restoration pipe and a construction method thereof are provided to prevent contamination of subsurface water due to grouting by filling grout in only the alluvium in a geothermal hole. CONSTITUTION: A fluid circulator of a closed geothermal system comprises a heat restoration part with an inlet(12), a heat recovery part with an outlet(16), and a connection part(17) connecting the heat restoration and recovery parts. The heat restoration part includes a heat restoration pipe(10) comprising heat restoration units(13) of zigzag form and straight joints(14) between the heat restoration units, and a tube(20) which is attached to one of the joints and, when the heat restoration pipe is inserted in a geothermal hole, inflated with air to block the alluvium and the lock layer in the geothermal hole. | ||||||
| 68 | 타격식 파이프 인발장치 | KR1020070103045 | 2007-10-12 | KR1020090037626A | 2009-04-16 | 조덕상 |
| A striking pipe-drawing device is provided to facilitate drawing a pipe even in case an obstacle is installed at the ground or a protrusion is formed on the pipe by striking a pipe from a lower part to an upper part of the pipe. A striking pipe-drawing device comprises: a moving case(100) being connected to a vertical moving device(500) and moving vertically according to the strike of a rod(130); a plurality of arms(200) pivotally connected to an upper case(101) of the moving case; and a pipe fixing member being installed at the end of each arm and fixing a pipe(600). The rod strikes the upper case when a piston(120) is moved upward. According to piston is the fluid pressure of the piston down space or pneumatic. A plurality of arms are moved vertically with the upper case. | ||||||
| 69 | 지하수 심정 하부까지 설치된 무공관과 연결하여 지중열교환 효율을 향상하도록 한 지열용 환수햇더 장치 | KR1020080005565 | 2008-01-18 | KR1020080014916A | 2008-02-14 | 조희남 |
| A water recovery header apparatus for subterranean heat is provided to cause ground water introduced through a water recovery header to pass through the gap between a grouting casing and a non-porous pipe and the gap between an excavated wall and the non-porous pipe. A water recovery header apparatus includes a grouting casing(22), a water recovery header(51), and a non-porous pipe(7). The grouting casing is inserted into a drilled hole so as to protect a lower wall of a deep well of ground water. The water recovery header has a lower end fitted into an inner well material and an upper end connected to a header housing so as to form a chamber. The non-porous pipe is connected to an extension pipe(54) and inserted into the deep well of ground water. | ||||||
| 70 | METHOD OF PRODUCING RESIN COMPOSITE WITH REQUIRED THERMAL AND MECHANICAL PROPERTIES TO FORM A DURABLE WELL SEAL IN APPLICATIONS | US15617976 | 2017-06-08 | US20180355692A1 | 2018-12-13 | Freddie Lynn SABINS; Jorge Esteban LEAL; Larry Thomas WATTERS |
| Provided herein are methods of formulating a sealant to span an opening and form a seal with surfaces across the opening including selecting a fluid material capable of contacting and adhering to the surface of the opening and which reacts to form a solid material as a result of a thermal reaction, and selecting and intermixing one or more solids with the fluid material to form a composite, wherein the composite cures from a fluid to a solid and bond to the surfaces of the opening and the change in volume of the composite as the temperature thereof changes during curing is insufficient to cause it to pull away from the surfaces of the opening or fail internally. | ||||||
| 71 | Anti-alteration wellhead vault | US15166154 | 2016-05-26 | US10145213B2 | 2018-12-04 | Paul Varney |
| A wellhead vault for preventing alteration of the wellhead of a water supply. The vault is a heavy bell-shaped structure, formed of concrete, and having a downwardly facing concavity, and the vault placed over, with the concavity around the wellhead. The vaults too heavy to be removed by human lifting. Lifting elements are provided to allow the vault to be installed and removed by heavy construction equipment. The vault has a vent that communicates between the concavity and the outside, allowing air, but not liquid, liquid or solid contaminants, or animals, to pass through. | ||||||
| 72 | Tamper-evident sealing device for wells | US13355091 | 2012-01-20 | US09995100B1 | 2018-06-12 | Steven M Bogush |
| A tamper-evident sealing device for use with a ground well (such as, for example, a water well, gas well, oil well, or the like) has been developed which takes the form of a UV-resistant, micro-perforated polymer plastic device that can be easily sealed over a well cap by applying heat. Should an unauthorized individual attempt to gain access to the well, he/she will necessarily have to break through the sealed, ventilated plastic layer, thus leaving behind indications of the tampering. In a preferred embodiment of the present invention, a conventional well cap as used in prior art well structures remains in place, with the plastic protective covering of the present invention sealed directly over the cap. | ||||||
| 73 | Syntactic foam frac ball and methods of using same | US14272240 | 2014-05-07 | US09920585B2 | 2018-03-20 | Zachary R. Murphree; Michael L. Fripp; Zachary W. Walton |
| A method of servicing a wellbore comprising providing a flowable component comprising syntactic foam, communicating the flowable component into a wellbore, and allowing the flowable component to be removed from the wellbore. | ||||||
| 74 | A RETRIEVABLE SUBSEA APPARATUS WITH A PRESSURE AND VOLUME COMPENSATING SYSTEM | US15512482 | 2015-09-17 | US20170306715A1 | 2017-10-26 | Roald PEDERSEN; David Muir MCCAREY; Ørjan LÅG; Devraj SONAVANE; Einar WINTHER-LARSSEN |
| A retrievable subsea apparatus (1) with a pressure and volume compensating system, the apparatus comprising: a housing (1′) having in its interior a control system (9) located in a first section (3) thereof and an operating unit (6) located in a second section (4) thereof. The apparatus further comprises a penetrator (2) which constitutes an interface between the first section (3) and the second section (4), wherein the first section (3) has a substantially constant first pressure. An external pressure compensator (5, 5′) is associated with the second section (4) having a second pressure. The operating unit (6) comprises at least a first sub-unit (6′) and at least a second sub-unit (6″). The second section (4) is subdivided into at least a first sub-section (4′) and at least a second sub-section (4″) which is sealed off from the first 1,1 section (4′) and being associated with respective sub-unit (6′, 6″). | ||||||
| 75 | Method of treating subterranean formation using shrinkable fibers | US14486720 | 2014-09-15 | US09797212B2 | 2017-10-24 | Chad Kraemer; Dmitry Viktorovich Badazhkov; Bruno Lecerf; Alexey Alekseev; Ksenia Kaprielova |
| A method for treating a subterranean formation utilizing a slurry having a plurality of shrinkable material. The method of treatment may include a diversion treatment during a fracturing operation. The shrinkable material may be adapted to shrink in response to a temperature change. The slurry may be used to perform a plugging of a perforation or fracture in the formation. | ||||||
| 76 | Sanitary check valve to prevent well contamination | US14558125 | 2014-12-02 | US09765578B2 | 2017-09-19 | Jeremy W. Bowman |
| A sanitary check valve arranged between a drop and outlet pipes in a water well casing that will prevent operate to block a back flow of water through the drop pipe when pumping from a water source is discontinued as could contaminate that water source. The valve is for fitting into an actuator fitting body that mounts between the drop and outlet pipes opposite ends and includes a side plate for releasable coupling to a separate actuator mount that connects through the well casing and includes a drain pipe. The drop and outlet pipes fitted to the fitting body are lowered into the well casing to where the side plate edges slid between parallel sides of the mount, coupling the assembly together such that an upward water flow moves the float valve off of the drop pipe end to pass that flow through the outlet pipe for use, and, when that upward flow is stopped, the valve closes over the drop pipe end and opens to the mount drain pipe to a water flow that dumps outside the well casing. | ||||||
| 77 | Drilling method for drilling a subterranean borehole | US15294798 | 2016-10-17 | US09759024B2 | 2017-09-12 | Christian Leuchtenberg; Pat Savage |
| An apparatus for drilling a subterranean wellbore using a drill string. The apparatus includes a riser, a sealing device arranged in the riser so as to form a first riser chamber and a second riser chamber, and a riser booster pump. The riser at least partly contains the drill string and defines a substantially annular space around the drill string. The second chamber is in a fluid communication with the riser booster pump so that a kill fluid stored in the second riser chamber may be maintained at a first pressure which is greater than a second pressure of a drilling fluid in the first riser chamber. | ||||||
| 78 | LATCHABLE CASING WHILE DRILLING SYSTEMS AND METHODS | US15516659 | 2014-12-23 | US20170247964A1 | 2017-08-31 | Hernando Q. Jerez; Richard T. Hay; John G. Evans; Rohit Sankeshwari |
| Latchable casing while drilling systems and methods are disclosed. Some system embodiments include a casing string including an upper latch apparatus and a lower latch apparatus. The system also includes a bottom hole assembly (BHA) latched into the lower latch apparatus for steerable drilling, the BHA configured to latch into the upper latch apparatus for enlarging a rat hole. | ||||||
| 79 | DEGRADABLE EXTRUSION RESISTANT COMPOSITIONS AND ARTICLES OF MANUFACTURE | US14953472 | 2015-11-30 | US20170152371A1 | 2017-06-01 | Ping Duan; Anil K. Sadana; Suman Khatiwada; Yingqing Xu; Xiao Wang |
| A degradable polymer composition comprises a polyurethane comprising ester groups in a backbone of the polyurethane and carboxylic acid groups attached to the backbone of the polyurethane; and a filler comprising one or more of the following: a powder comprising particles having an average particle size of about 5 microns to about 500 microns; or a fiber having an average length of about ⅛ inch to about 5 inches. Also disclosed are articles comprising the composition. A method to degrade the article includes exposing the article to a fluid at a temperature of about 25° C. to about 300° C. | ||||||
| 80 | Cementing system for riserless abandonment operation | US14851106 | 2015-09-11 | US09587466B2 | 2017-03-07 | Philip Martial Burguieres; Corey Eugene Hoffman; Stephen Paul Breaux; Kenneth Thomas Wilke |
| A method for abandonment of a subsea well includes: setting a packer of a lower cementing tool against a bore of an inner casing at a location adjacent to an outer casing; fastening a pressure control assembly (PCA) to the subsea wellhead; hanging an upper cementing tool from the PCA and stabbing the upper cementing tool into a polished bore receptacle of the lower cementing tool; perforating a wall of the inner casing below the packer; perforating the inner casing wall above the packer by operating a perforator of the upper cementing tool; and pumping cement slurry followed by a release plug through bores of the cementing tools. The release plug engages and launches a cementing plug from the lower cementing tool. The cementing plug drives the cement slurry through the perforations below the packer and into an inner annulus formed between the inner casing and the outer casing. | ||||||
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