Smith International, Inc.

Schlumberger Technology Corporation

Other

Schlumberger Canada Limited

Michael George Azar

Madapusi K Keshavan

Youhe Zhang

Bala Durairajan

Xiaoge Gan

Huimin Song

Yuelin Shen

Carl M Hoffmaster

Venkatesh Karuppiah

Geoffrey Charles Downton

Chen Chen

Jonathan D Marshall

Charles H Dewey

Liang Zhao

Michael L Stewart

Zhijun Lin

Anjie Dong

Balasubramanian Durairajan

Gerard Johnson

Scott D McDonough

Steven G Villareal

Thomas W Oldham

Yuri Y Burhan

Scott Richard Woolston

Yi Fang

Edward Richards

Riadh Boualleg

John Daniel Belnap

Xian Yao

Brian Cruickshank

Navish Makkar

Shelton W Alsup

Stuart R Oliver

Lynn L Belnap

Cheng Peng

Jason Gregg

Denis Li

Hemachandar Mada

Richard D Hill

Sidney J Isnor

Anthony LeBaron

David R Hall

Scott Steven Dahlgren

Michael Allen Siracki

Gregory Thomas Lockwood

Iain Michael Cooper

Shantanu N Swadi

Timothy P Beaton

David Truax

Edward George Parkin

Philip M Gregurek

Manoj D Mahajan

Tommy Gene Ray

Kenneth M Nevlud

Joshua Gatell

Gary R Chunn

Somasundaram Valliyappan

John J Pierce

Steffen S Kristiansen

R Helene Knowlton

Suman Velvaluri

John Youhe Zhang

Keisha Marie Spagnoletti

Alexei Jozef Barr

Joshua J Hanson

Simon N Willis

Jonathan Turko

Manoj Mahajan

Edward Wayne Gutierrez

Jonan Fulencheck

Kurt T Bush

Jonathan Craig Thiele

Jordan Mark Self

Gary Chunn

A downhole drilling tool, forming part of a subterranean drilling system, may include at least one plate secured to an exterior of an elongate body. Electronics may be disposed between the plate and the body to be protected by the plate while still readily accessible. A dynamic element may be radially extendable from the plate to engage an inner wall of a borehole being drilled. If this radially-extendable element becomes worn or damaged from this engagement, the plate may be replaced. More expensive components of the drilling tool may be contained within the elongate body, rather than the plate, thus reducing replacement frequency. Additionally, plates including unique features may be employed at different times without altering the underlying elongate body.

Downhole tools having radially extendable elements

A cutting element includes a body, a non-planar cutting face formed on a first end of the body, and an edge formed around a perimeter of the cutting face. The cutting face includes a central raised portion, and the edge has an edge angle defined between the cutting face and a side surface of the body. The edge angle varies around the perimeter of the cutting face and includes an acute edge angle defined by a portion of the cutting face extending downwardly from the edge to a depth from the cutting angle. The portion of the edge defining the acute edge angle may be directly adjacent: a side surface of the cutting element; a bevel of the cutting element; or a flat region at the perimeter of the cutting element or bevel.

Cutting elements having non-planar surfaces and tools incorporating the same

A drilling tool having a body, at least one blade extending from the body, and a first cutting element attached to the at least one blade. The first cutting element includes a cutting face at an opposite axial end from a base, a side surface extending from the base to the cutting face, an edge formed at the intersection between the cutting face and the side surface, and an elongated protrusion formed at the cutting face and extending between opposite sides of the edge. The elongated protrusion has a geometry including a border extending around a concave surface, a face chamfer formed around the border, and sloped surfaces extending between the border and the edge. An edge chamfer is between the face chamfer and the edge.

Downhole cutting tool having cutting element with nonplanar face to improve cutting efficiency and durability

A cutting element may include a substrate and an ultrahard layer. A top surface of the ultrahard layer includes a peripheral edge extending around the cutting element, a cutting crest extending across a major dimension of the cutting element from a cutting edge at a first portion of the peripheral edge to a modified region at a central axis of the ultrahard layer, and a lateral portion extending across a minor dimension of the cutting element from the peripheral edge to the modified region. The modified region along the major dimension includes a concave cross-sectional shape. The lateral portion along the minor dimension from the peripheral edge to the modified region includes one or more of a linear shape and a convex shape, and the modified region along the minor dimension includes a planar shape perpendicular to the central axis.

Cutting elements having non-planar surfaces and downhole cutting tools using such cutting elements

A rotary steerable tool may include a tool body with an upper end and a lower end. Additionally, the tool body may include at least one steering assembly extending from the tool body and includes at least one steering actuator configured to extend beyond other portions of the steering assembly. Furthermore, at least one cutter may be disposed on the rotary steerable tool a distance from the at least one steering actuator.

Rotary steerable system with cutters

Liquid aging collapsible stave chain

An apparatus for aging a liquid in a container includes: an elongated bung having a top and a bottom, the bottom having a male or female connector; and an elongated wooden piece having a longitudinal axis, an upper end, a lower end, and a side, the upper end having a male or female connector adapted to connect to the male or female connector of the bottom of the elongated bung, whereby the elongated bung and the elongated wooden piece are removably connected by connecting the male or female connector of the bottom of the elongated bung with the male or female connector of the upper end of the elongated wooden piece. The bung may have a first opening, a side with another opening, the first opening being fluidly connected to the another opening by a pathway adapted to transmit a gas from the container through the first opening.

Oak alternative with internally built in connectors and modified bung to oak wine, beer, spirits, and other liquids

A cutting element has a cutting face at an opposite axial end from a base, a side surface extending from the base to the cutting face, an edge formed at the intersection between the cutting face and the side surface, and an elongated protrusion formed at the cutting face and extending between opposite sides of the edge, wherein the elongated protrusion has a geometry including a border extending around a concave surface and sloped surfaces extending between the border and the edge, and wherein the concave surface has a major axis dimension measured between opposite sides of the border and a minor axis dimension measured perpendicularly to the major axis dimension and ranging from 50 percent to 99 percent of the major axis dimension.

Cutting element with nonplanar face to improve cutting efficiency and durability

A cutting element may include a substrate, an upper surface of the substrate including a crest, the crest transitioning into a depressed region, and an ultrahard layer on the upper surface, thereby forming a non-planar interface between the ultrahard layer and the substrate. A top surface of the ultrahard layer includes a cutting crest extending along at least a portion of a diameter of the cutting element, the top surface having a portion extending laterally away from the cutting crest having a lesser height than a peak of the cutting crest.

A downhole tool includes at least a pilot section, a first expansion section, and a second expansion section. The pilot section has a plurality of cutting elements to cut a pilot hole. Each of the expansion sections has a plurality of cutting elements to successively expand the pilot hole to achieve a final wellbore radius. The pilot section, first expansion section, and second expansion section each have one or more stabilizer pads on respective gages to stabilize the downhole tool during wellbore creation.

Stepped downhole tools and methods of use

Growing community of inventors

The Woodlands, TX, United States of America

Michael George Azar