Other

Strata Directional Technology, LLC

Ronald Thorsten Eckmann

John A Salzer, Iii

David Lane Evans

Glenn Patrick Coty

A method for removing a drill string from a wellbore, the drill string comprising a plurality of pipe segments, the wellbore and the drill string defining an annulus, the annulus and the drill string containing a fluid, comprises: a) determining a desired dry pipe length; b) calculating a hydrostatic pressure for a column of fluid having a height corresponding to the desired dry pipe length; c) injecting into the drill string a gas having a pressure at least as great as the pressure calculated in step b) so as to displace fluid from an upper portion of drill string, thereby creating a dry pipe portion, wherein the length of the dry pipe portion corresponds to the desired dry pipe length; d) preventing fluid from flowing from the annulus into the drill string; and e) removing at least a part of the dry pipe portion from the wellbore.

Methods for cleaning drill pipe during trip-out

Systems and methods for controlling deviations during drilling operations include securing a plurality of stabilizers to a lower portion of a drill string. The stabilizers can have a substantially triangular cross-sectional area oriented perpendicular to the longitudinal axis of the drill string, and a plurality of blades secured to the stabilizer at points associated with corners of the triangular cross-sectional area. The resulting system can exhibit improved stability and stiffness, an improved flow area, a reduced annular velocity, an increased penetration rate, and a longer usable life.

Vertical drilling system for controlling deviation

Systems for controlling deviations during drilling operations, including a transmission housing and a bearing assembly secured between a stator housing and a drill bit. Two stabilizers are secured to the transmission housing, and one stabilizer is secured to the bearing assembly to provide enhanced stability to the lower portion of the drill string. The stabilizers can have a triangular shaped body for increasing flow area, reducing annular velocity, and increasing stiffness of the system. The stabilizers can be rotationally offset from one another to facilitate maintaining the gauge of the borehole. The transmission housing can be a one-piece construction to minimize connections within the system and improve reliability. The stabilizers can include laser clad metal surfaces and diamond dome inserts to prevent wear and erosion. A triangular reamer can be included beneath the stabilizers to further prevent wear to the stabilizers and to add stability to the drill bit.

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College Station, TX, United States of America

Ronald Thorsten Eckmann