Smith International, Inc.

Schlumberger Technology Corporation

Sujian Huang

Amardeep Singh

Yuelin Shen

Chris Edward Cawthorne

Peter Thomas Cariveau

Zhigang Zak Fang

Wei Chen

Michael Allen Siracki

Stuart R Oliver

Scott D McDonough

Bala Durairajan

Quan V Nguyen

Gang Xu

Ying Xiang

Yani Dong

Youhe Zhang

Zhou Yong

Robert M Denton

Riadh Boualleg

Navish Makkar

Richard John Harmer

Tommy Laird

Wei Tang

Gordon Whipple

Gail Nelson

Luis C Paez

Halle Aslaksen

Geng Yun

Guishui Zheng

Brian A James

Graham Stronach

Madapusi K Keshavan

Geoffrey Charles Downton

Graham Mensa-Wilmot

Jianjun Yang

Ghanshyam Rai

Nephi M Mourik

Roger Didericksen

Jibin Shi

J Albert Sue

Mohammed Boudrare

Dennis Cisneros

Nathan R Anderson

Oney Erge

Feng Feng

Christopher Bogath

Zhengxin Zhang

Prabhakaran K Centala

Cesar Pena

Rongbing Chen

Chanhui Bin

Xinghan Liu

Chris E Cawthrone

Dan Belnap

My Lien Ta

G Steve Kyker

Gregg Alexander

G Steven Kyker

Management of fatigue life includes partitioning a drilling interval into sections, and calculating a stress value for each section. From the stress value, an equivalent alternative stress amplitude is calculated for each location, and a fatigue life consumption value in each section is computed. The fatigue life consumption value across the sections is aggregated to obtain an aggregated fatigue life consumption value, which is presented.

Fatigue analysis procedure for drill string

A method, system, and computer readable medium for managing drilling operations include calibrating a drilling model using collected drilling data, and executing, during a drilling operation, a simulation on the drilling model to generate a predicted measurement value for a drilling property. During the drilling operation and from a drillstring, an actual measurement value for the drilling property is obtained. Based on the actual measurement value matching the predicted measurement value, the simulation is extended to generate a simulated state of the drilling operation during the drilling operation, and a condition of the drilling operation is detected. A notification may be presented based on the condition during the drilling operation.

Real time drilling monitoring

A method for drilling a well includes applying energy input to a drill string () by at least one of rotating the drill string () from surface and operating a drilling motor () disposed in the drill string () to operate a drill bit () at a bottom of the drill string (); an amount of the applied energy not consumed in drilling formations caused by at least one of motion, deformation, and interaction of the drill string () is calculated; an amount of the applied energy used to drill formations below the drill bit () is calculated; and at least one drilling operating parameter is adjusted based on energy calculation before or during drilling operation.

Drilling energy calculation based on transient dynamics simulation and its application to drilling optimization

A method for designing a physical component of a drilling system includes defining input parameters of a first primitive in the drilling system, simulating the first primitive to obtain a performance parameter of the first primitive, designing, based on the performance parameter and to obtain a design, the physical component for the drilling system, and storing the design. The physical component has the input parameters of the first primitive. The input parameters include at least one control relationship between a first control point on the first primitive and a second control point.

Methods and systems for designing drilling systems

Systems, methods, and computer-readable media for drilling. The method includes receiving a drilling model of a drilling system including a drill string, selecting a frequency and amplitude for axial vibration of the drill string based on the drilling model, and generating the axial vibration substantially at the frequency and the amplitude selected by modulating a hookload or axial movement at a surface of the drill string.

Slide drilling system and method

A method for selecting a bottomhole assembly (BHA) includes inputting BHA parameters, wellbore parameters, and drilling operating parameters, performing a dynamic simulation of a first BHA based on the BHA parameters, wellbore parameters, and drilling operating parameters, and presenting a wellbore quality factor of the first BHA calculated from the dynamic simulation.

Methods for analyzing and optimizing drilling tool assemblies

A method for selecting a bottomhole assembly, including performing a first dynamic simulation of a first bottomhole assembly, performing at least a second dynamic simulation of the first bottomhole assembly, in which the at least a second dynamic simulation includes a different constraint than the first dynamic simulation, and outputting results for both the first dynamic simulation and the second dynamic simulation, in which the results include at least one output showing performance as a function of position along the bottomhole assembly.

Methods for analyzing and designing bottom hole assemblies

Specialized computing systems, devices, interfaces and methods facilitate the simulation of downhole milling procedures such as wellbore departure milling procedures. Computing systems, devices, interfaces and methods enable a user to design and select milling components and procedures to be compared and simulated. Various milling parameters, such as milling tool parameters, whipstock parameters, and wellbore casing parameters may be accessed and selectably modified with milling and simulation interfaces to define and control the simulated milling procedures. Different types of output are selectably rendered to reflect various aspects of the simulated milling procedures.

Computing systems, tools, and methods for simulating wellbore departure

A method for selecting a bottomhole assembly (BHA) includes inputting casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, performing a dynamic simulation of a first BHA based on the casing while drilling BHA parameters, wellbore parameters, and casing while drilling operating parameters, and presenting a first set of performance data of the first BHA calculated from the dynamic simulation.

Methods for analyzing and optimizing casing while drilling assemblies

A method for selecting at least one drill bit that includes characterizing an application; checking for at least one drill bit with an equivalent characterization in a data store; when the at least one drill bit with the equivalent characterization exists, selecting the at least one drill bit with the equivalent characterization; and when the at least one drill bit with the equivalent characterization does not exist, recommending at least one drill bit, making an analysis request, analyzing the at least one recommended drill bit based on the analysis request, generating analysis results, and selecting at least one drill bit based on the analysis results is disclosed.

Method of selecting drill bits

A method for selecting a drill bit, the method including selecting a first drill bit design, simulating the first drill bit design drilling an earth formation under selected conditions, graphically displaying at least a portion of the simulating, analyzing results of the simulating, wherein the analyzing comprises reviewing a steerability of the first bit design, selecting a second drill bit design, simulating the second drill bit design drilling an earth formation under selected conditions, graphically displaying at least a portion of the simulating, analyzing results of the simulating, wherein the analyzing comprises reviewing a steerability of the second bit design and selecting, based upon the analyzing, a bit design is disclosed.

Methods for selecting bits and drilling tool assemblies

A method for designing a drilling tool assembly, having a drill bit disposed at one end includes defining initial drilling tool assembly design parameters; calculating a dynamic response of the drilling tool assembly; adjusting a value of a drilling tool assembly design parameter; and repeating the calculating and the adjusting until a drilling tool assembly performance parameter is optimized.

Methods for modeling, designing, and optimizing the performance of drilling tool assemblies

A method for reducing vibration of a drilling tool assembly is disclosed. The method includes modeling the drilling tool assembly based on input parameters, simulating a vibration of a drill string coupled with a vibration of a drill bit, determining an initial total vibration from output parameters generated by the simulation, determining a location for at least one vibrational control device based on the initial total vibration to reduce the initial total vibration, and disposing the at least one vibrational control device on the drill string at the determined location.

Dynamic vibrational control

Polycrystalline diamond composites comprise a polycrystalline diamond body having a plurality of ultra-hard discrete regions dispersed within a polycrystalline diamond second region. The plurality of discrete regions has an density different from of the polycrystalline diamond second region. A metallic substrate can be joined to the body. The discrete regions can be relatively more thermal stable than, have a higher diamond density than, and/or may comprise a binder material that is different from the polycrystalline diamond second region. Polycrystalline diamond composites can be formed by combining already sintered granules with diamond grains to form a mixture, and subjecting the mixture to high pressure/high temperature conditions, wherein the granules form the plurality of discrete regions, or can be made by forming a plurality of unsintered granules, combining them with diamond grains to form a mixture, and then subjecting the mixture to first and second high pressure/high temperature conditions.

Polycrystalline diamond composites

A method for designing a secondary cutting structure for use in a bottom hole assembly, the method including defining initial design parameters for the secondary cutting structure and analyzing forces acting on the secondary cutting structure. Additionally, the method includes modifying at least one design element of the secondary cutting structure and simulating an effect of the modifying on both the secondary cutting structure and a primary cutting structure to determine if an improved condition is met. Also, a method for designing a drilling tool assembly, the method including defining initial drilling tool assembly design parameters including a primary cutting structure and a secondary cutting structure, and simulating a dynamic response of the drilling tool assembly. Additionally, the method includes adjusting at least one design element of the secondary cutting structure based on the dynamic response of the drilling tool assembly, determining if the adjusted design element improved a condition of the drilling, and repeating the simulating and adjusting until the condition is optimized.

Methods for designing secondary cutting structures for a bottom hole assembly

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Beijing, China

Sujian Huang