| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 101 | DRILL COLLAR | EP83900145.0 | 1982-11-18 | EP0095488A1 | 1983-12-07 | RIALS, Ralph |
| Un collier de foret (10) comprend un organe cylindrique à paroi épaisse (12) possédant des parties d'extrémités opposées diamétralement élargies (14) et (16) et comprend d'autres parties (18) de longueur intermédiaire espacées longitudinalement et élargies diamétralement. Chaque partie élargie diamétralement comprend une bande d'usure (30) élargie diamétralement s'étendant autour de la partie et formée par un apport par soudure de métal dur usiné par la suite de manière à obtenir une surface extérieure cylindrique et concentrique avec l'axe central du collier de foret. Les bandes d'usure représentent d'étroites surfaces d'usure qui permettent de réduire le frottement et de maintenir les autres surfaces extérieures du collier espacées du contact avec les surfaces opposées d'un alésage de puits associé. | ||||||
| 102 | AN INSULATING COMPONENT | EP13703864.2 | 2013-01-24 | EP2807335B1 | 2017-04-05 | McGarian, Bruce |
| An insulating component for inclusion in a down hole drill string comprising a first part or connected group of parts, and a second part or group of parts. The first part or group of parts includes a first connection site and the second part or connected group of parts includes a second connection site. The insulating component also includes a first right-hand threaded connection located between the first connection site and the second connection site, and a second, left-hand threaded connection located between the first connection site and the second connection site. The first part or group of parts is electrically insulated from the second part or group of parts through insulating material provided between the first part or group of parts and the second part or group of parts, so that the first and second connection sites are electrically insulated from one another. | ||||||
| 103 | MULTI-ANGLE ROTARY STEERABLE DRILLING | EP14856771 | 2014-10-09 | EP3060740A4 | 2017-02-15 | PEARCE MICHAEL; SUGIURA JUNICHI |
| Rotary steerable drilling apparatus and methods utilizing apparatus comprising a shaft, a multi-angle strike ring axially repositionable along the shaft, an articulated member coupled to the shaft, and a steering member carried by the articulated member. An actuator is operable to maintain an angular offset of the articulated member relative to the shaft by maintaining azimuthally-dependent contact between the multi-angle strike ring and the steering member. | ||||||
| 104 | DRILLSTRING | EP14863279 | 2014-11-20 | EP3071780A4 | 2016-12-07 | JEFFRYES BENJAMIN P |
| A drillstring comprising a length of drillpipes and a bottomhole assembly disposed at a downhole end of the length of drillpipes. The bottomhole assembly comprises a transition section proximal to the end of the length of drillpipes to reduce vibration of the bottomhole assembly during drilling. The transition section varies gradually in acoustic impedance between the acoustic impedance of the drillstring above the transition section and the acoustic impedance of the bottomhole assembly below the transition section. The transition section forms at least thirty percent (30%) of the total length of the bottomhole assembly. | ||||||
| 105 | DRILLSTRING | EP14863279.7 | 2014-11-20 | EP3071780A1 | 2016-09-28 | JEFFRYES, Benjamin P. |
| A drillstring comprising a length of drillpipes and a bottomhole assembly disposed at a downhole end of the length of drillpipes. The bottomhole assembly comprises a transition section proximal to the end of the length of drillpipes to reduce vibration of the bottomhole assembly during drilling. The transition section varies gradually in acoustic impedance between the acoustic impedance of the drillstring above the transition section and the acoustic impedance of the bottomhole assembly below the transition section. The transition section forms at least thirty percent (30%) of the total length of the bottomhole assembly. | ||||||
| 106 | LOGGING-WHILE-DRILLING TOOL INCORPORATING ELECTRONIC RADIATION GENERATOR AND METHOD FOR USING SAME | EP11844569 | 2011-11-22 | EP2646648A4 | 2016-09-07 | SIMON MATTHIEU; WRAIGHT PETER; STOLLER CHRISTIAN; STEPHENSON KENNETH E; BAZARKO ANDREW |
| 107 | DRILL STRING ROD WITH SHOULDER | EP14194246.6 | 2014-11-21 | EP3023575A1 | 2016-05-25 | Mattson, Per; Wickström, David |
A drill string rod (100) and a drill string assembly that includes a drill rod (100) and a drill bit (112) in which the rod comprises a threaded male end (103) and a female end (102). An axially extending shoulder (110) is provided at the male end and comprises an axial length (LA) being greater than an outside diameter (DA) of the shoulder to provide a shoulder driven rod exhibiting enhanced guidance to achieve straighter holes and better collaring.
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| 108 | METHODS AND APPARATUS FOR DOWNHOLE PROBES | EP12889632.1 | 2012-12-07 | EP2929138A1 | 2015-10-14 | LIU, Jili (Jerry); DERKACZ, Patrick, R.; LOGAN, Aaron, W.; LOGAN, Justin, C.; SWITZER, David, A. |
| A method for using a downhole probe. The method comprises providing a probe, at least one vertical cross section of the probe having an area of at least pi inches squared. The method further comprises inserting the probe into a bore of a drill collar and passing a drilling fluid through the bore of drill collar at a flow velocity of less than 41 feet per second. | ||||||
| 109 | UNIVERSAL DOWNHOLE PROBE SYSTEM | EP12887916.0 | 2012-12-03 | EP2917479A1 | 2015-09-16 | LOGAN, Aaron, W.; LOGAN, Justin, C.; SWITZER, David, A.; DERKACZ, Patrick R. |
| A downhole probe is adapted to be supported in drill string sections having different internal diameters with the use of a set of interchangeable centralizers. Each centralizer is dimensioned to snugly receive the downhole probe and to bear against the bore wall of a drill-string section. Interchangeable axial supports such as spiders may also be provided in a set. The downhole probe may comprise a slick body. As drilling progresses the downhole probe may be adapted to be received in drill string sections of varying diameters. | ||||||
| 110 | METHOD OF FRACTURING WHILE DRILLING | EP12815905.0 | 2012-12-19 | EP2795056A2 | 2014-10-29 | ZHOU, Shaohua |
| A method of fracturing a formation 24 that at the same time drills a wellbore 22 through the formation 24 selectively deploys a seal from a drill string 26 to define a space 64 in the wellbore 22 beneath the seal; and the pressurizes the space 64. The seal can be formed by moving sliding blades 58 into channels 56 between cutting blades 42 on a drill bit 40. The seal can also be a packer 62 on the drill bit 40 that selectively expands radially outward into sealing engagement with the wellbore 22. At a designated depth in the wellbore 22, the seal is deployed and fluid is diverted into the space 64. A pressurizing system pressurizes the fluid so that pressure in the space 64 overcomes the formation 24 strength and fractures the formation 24 adjacent the enclosed, space 64. The packer 62 can be released, drilling can resume, and. fracturing can occur at a different depth in the wellbore 22. | ||||||
| 111 | INFLATABLE PACKER ELEMENT FOR USE WITH A DRILL BIT SUB | EP12815904.3 | 2012-12-19 | EP2795050A2 | 2014-10-29 | ZHOU, Shaohua |
| A system for use in a subterranean wellbore includes an earth boring bit on a lower end of a drill string, and an inflatable packer system. The packer system includes a pressure activated inlet valve that regulates pressurized fluid from within the drill string to the packer for inflating the packer. The inlet valve opens above a pressure used for drilling and includes a piston and spring disposed in a cylinder; the spring provides a biasing force against the piston and positions the piston between the annulus and an inlet port to the packer. When inflated, the packer extends radially outward from the drill string and into sealing engagement with an inner surface of the wellbore. | ||||||
| 112 | LOGGING-WHILE-DRILLING TOOL INCORPORATING ELECTRONIC RADIATION GENERATOR AND METHOD FOR USING SAME | EP11844569.1 | 2011-11-22 | EP2646648A2 | 2013-10-09 | SIMON, Matthieu; WRAIGHT, Peter; STOLLER, Christian; STEPHENSON, Kenneth E.; BAZARKO, Andrew |
| Logging-while-drilling tools incorporating an electronic radiation generator, such as an electronic X-ray generator, and a method for using the same are provided. One example of such a logging-while-drilling tool may include a circumferential drill collar, a chassis disposed radially interior to the drill collar, and an electronic X-ray generator and an X-ray detector disposed within the chassis. The electronic X-ray generator may emit X-rays out of the logging-while-drilling tool into a subterranean formation. The X-ray detector may detect X-rays that return to the logging-while-drilling tool after scattering in the subterranean formation, which may be used to determine a density and/or a lithology of the subterranean formation. | ||||||
| 113 | INTERFERENCE-FIT STOP COLLAR AND METHOD OF POSITIONING A DEVICE ON A TUBULAR | EP10742327.9 | 2010-06-04 | EP2417325A2 | 2012-02-15 | BUYTAERT, Jean; MILLER, Eugene, Edward; HINING, Ira, Eugene |
| In one embodiment, a wear band comprises a rotating element having a bore receivable on a tubular, the bore comprising first and second bore portions slidably receiving first and second sleeve bearings. Outer surfaces of the sleeve bearings slidably engage the bore portions and the bores of the sleeve bearings slidably engage the tubular. A first stop collar and a second stop collar may be received on the tubular to together straddle the rotating element and sleeve bearings to longitudinally secure the rotating element in a position on the tubular. The tubular may be included within a tubular string run into a borehole or into the bore of an installed casing, such as in casing while drilling. The rotating element provides stand-off between a tubular and the wall of a bore, reduces frictional resistance to longitudinal sliding and also to rotation of the tubular string within the bore. | ||||||
| 114 | SPIRAL RIBBED ALUMINUM DRILLPIPE | EP09707056.9 | 2009-01-12 | EP2240665A2 | 2010-10-20 | INDRUPSKIY, DAVID; BASOVICH, VLADIMIR; LUBYANYY, DMITRY |
| A spiral ribbed aluminum drillpipe (10) has an intermediate portion (30) with a plurality of ribs (32) spiraling along its length. These ribs have active faces (34) that are exposed by recessed areas (36). The active faces define incut angles (DELTA) relative to the pipe's outer surface for actively engaging slime/sediment material along a borehole wall. Bearings (50A, 50B) rotatably disposed on the pipe have a greater diameter than the ribbed intermediate portion or any tool joints (40A, 40B) on the drillpipe so that the bearings engage the borehole wall. The pipe's body is preferably composed of a lightweight alloy, such as aluminum alloy, whereas the bearings are preferably composed of steel and have wear resistant coating or bands (52). | ||||||
| 115 | METHOD FOR PREPARING WELLBORE CASING FOR INSTALLATION | EP02732292.4 | 2002-06-13 | EP1399644B1 | 2007-04-04 | SLACK, Maurice, William |
| A method has been invented for enhancing the installability of wellbore casing such as for use to line a borehole through a formation or to act as a drill string and to remain in hole, after drilling, to line the borehole created by its use. A device supporting the installation of wellbore casing into a wellbore is crimped onto the outer surface of the casing. An interference fit is created by plastic deformation inwardly in radial direction. The device supporting casing installation can be to facilitate (1) run in through the borehole (2), to maintain positioning relative to the borehole (3) or to accommodate wear against the wall of the borehole into which the casing is run. The devices supporting the installation of wellbore casing are attached to the casing to create a connection having structurally significant axial and torque load transfer capacity. | ||||||
| 116 | HEAVY WEIGHT DRILL PIPE | EP99920274.0 | 1999-04-30 | EP1078190A1 | 2001-02-28 | WILSON, Gerald, E.; MOORE, R., Thomas; TANG, Wei |
| A heavy weight drill pipe member is disclosed for use in drilling high angle and horizontal well bores in a corrosive environment. The heavy weight drill pipe member consists of a tubular member (10) with a longitudinal bore (29) therethrough, and includes connectors or tool joints (20, 22) attached at each distal end for connecting additional heavy weight drill pipe members. The tubular member (10) and tool joints (20, 22) are preheated, water quenched and tempered to obtain a unique combination of hardness, a yield strength and impact strength for improved resistance to stress corrosion cracking and hydrogen embrittlement in a hydrogen sulfide environment. The tubular member (10) includes a plurality of wear pads or protectors (12, 14, 16) equidistantly spaced along the longitudinal axis of the tubular member (10) to reduce bending stress in the pipe by limiting the degree of bend when the pipe is placed in compression in a high angle well bore. To reduce the chances of differential pressure sticking of the pipe when the pipe is used in high angle or horizontal well bores, each wear pad or protector (12, 14, 16) is provided with spiral grooves (24) therein. Each wear pad or protector (12, 14, 16) may also be hard faced or hard banded to reduce wear. | ||||||
| 117 | Bottom hole assembly for directional drilling | EP94202829.1 | 1994-09-30 | EP0646693B1 | 2000-01-19 | Theocharopoulos, Nicholas |
| 118 | DOWN REAMING APPARATUS. | EP93908325 | 1993-03-12 | EP0631645A4 | 1997-05-02 | ANDERSON LLEWELLAN; KELLEY BRIAN W; ROWE LARRY F; WHITEHOUSE THOMAS C |
| A down reaming apparatus (10) has an upper stabilizer (14) which supports the down reaming apparatus (10) in bored hole. A plurality of wheel assemblies (46) are radially attached to the hub (32) of the upper stabilizer (14). Each of the wheel assemblies (46) has rotatable tires (54) oriented against the bored hole wall, and a rotatable overload wheel (60) which contacts the tunnel wall upon compression of the tires (54). A weight assembly (90) comprising a plurality of stacked plates (16) is secured to the frame of the down reaming apparatus (10) and has manways (108) therethrough. A lower stabilizer (30) provides additional support for the down reaming apparatus (10). A plurality of wheel assemblies (130) are radially attached to the hub (122) of the lower stabilizer (30). Each of the wheel assemblies (130) has a rotatable wheel (144) pivotally attached to the lower stabilizer hub (122) and spaced therefrom by a compressible bumper (138) which reacts against the bored hole wall to stabilize the down reaming apparatus (10). | ||||||
| 119 | A drilling tool for use in constructing large diameter boreholes | EP94108613.4 | 1994-06-06 | EP0628700A2 | 1994-12-14 | Trevisani, Davide |
The drilling tool is adapted for being releasably mounted to the lower end of a rod string (20) of a drilling rig (30) and comprises a container (2) having a cylindrical or truncated-cone shape fitted at its lower end with a plurality of cutting tools or cutters (10) for crushing rock. The drilling tool (1) further comprises:
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| 120 | Acier inoxydable amagnétique à haute teneur en manganèse et chrome, résistant à la corrosion sous contrainte et utilisable pour matériels de forage, ainsi que le procédé de fabrication de barres en cet acier | EP92401946.6 | 1992-07-07 | EP0577898A1 | 1994-01-12 | Bourrat, Jean |
Cet acier est un acier à structure austénitique caractérisé par les proportions massiques respectives des éléments suivants :
Le procédé de fabrication comporte les étapes suivantes : élaboration d'un lingot de départ en un acier comme ci-dessus ; premier chauffage homogène, à une température supérieure à la température de recristallisation de l'acier; ébauchage de la barre par étirage à chaud du lingot ; premier refroidissement jusqu'à température ambiante ; second chauffage homogène ; mise en forme de la barre par forgeage et dressage à la presse ; second refroidissement jusqu'à température ambiante ; et enfin usinage final. On peut de cette manière réaliser une barre d'acier amagnétique écroui de longueur supérieure à 2,5 m présentant, sur toute sa longueur et de façon homogène, une limite élastique, en direction longitudinale, au moins égale à 760 MPa pour les produits finis de diamètres compris entre 79 et 175 mm et à 690 MPa pour les produits finis de diamètres compris entre 178 et 254 mm, et une insensibilité à la corrosion intergranulaire et à la corrosion sous contrainte. |
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