Optimising Drilling and Completions Performance by Applying Core and Physics-Based Models to Drilling Data

Stacy McWhorter, Carl Merkt, Stephen Drylie, Feiyan Chen, Todd Duplantis, Kristopher Farmer

Unconventional Resources Technology Conference (URTEC)

... without the written consent of URTeC is prohibited. Abstract Apart from its main task of creating the wellbore, the drill bit can act as valuable...

Accelerating Well Construction Using a Digital Twin Demonstrated on Unconventional Well Data in North America

Gurtej S. Saini, Pradeepkumar Ashok, Eric van Oort, Matthew R. Isbell

Unconventional Resources Technology Conference (URTEC)

... is dependent on downhole rock formations, hole and bit condition and drilling parameters, and can be predicted with a physics-based model in combination...

Abstract: Combined Drilling and Sieve Tube BoreholeProtection in Soft and Outburst-prone Coal Seams; #90187 (2014)

Qianhui Ji, Li Wang, Xinsheng Yin, and Hongliang Tian

Search and Discovery.com

....  More efficient drilling bit cooling compared with “dry style” auger drilling.  Better drilling cuttings removal ability compared with air drilling...

VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018).

P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar

Search and Discovery.com

...VSP Lookahead of the Bit Information: Considerations and Accuracy Analysis, #42196 (2018). P. Ranjan, M. Khaitan, S. Chandrasekhar, Basant Kumar...

Land Rigs: Part 3. Wellsite Methods

Byram Reed

AAPG Special Volumes

..., drill string, and bit). The rotary table is a square hole in the derrick floor with a rotary bushing that is used to turn the kelly bushing and kelly...

Horizontal Drilling Applications in California

W. A. Goldman, K. M. Nero

Pacific Section of AAPG

...). Figure 1. Short Radius Motor Configuration Either tri-cone or polycrystalline diamond compact (PDC) bits may be used in the build curve with bit...

Pseudo-Stratification in Core Recoveries: GEOLOGICAL NOTES

M. N. Bramlette

AAPG Bulletin

... peculiar effect produced on soft clastic rocks in drilling, is commonly observed in bit samples. Bit samples from these same mottled clays or from any...

Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells

Luca Bertelli, Luca Savini, and Luca Aleotti

Houston Geological Society Bulletin

... it possible to answer two basic questions: Where is the bit in relation to the seismic section? Is the geological prognosis coherent with the while...

Gideon Oil Well No. 3, Luling Field, Caldwell County, Texas: GEOLOGICAL NOTES

E. W. Brucks

AAPG Bulletin

... of "pay"; but if the deviation were down the dip or southeastward, the bit would have encountered the top of the Edwards at the edge-water level...

Abstract: Prediction of Unayzah Reservoir Quality Ahead-of-the-Bit, by Dave L. Cantrell, Cedric M. Griffiths, Stephen G. Franks, and Mohammad R. Al-Khadhrawi; #90105 (2010)

Search and Discovery.com

Well Placement Matters: Improving Survey Accuracy by Using Continuous Directional Data and Drilling Parameter Settings

Search and Discovery.com

Beating the Bit – Using 2-D Structural Cross Sections to Drive Rapid Development of Highly Deformed Monterey in the Elk Hills Field, California

Search and Discovery.com

An Efficient Workflow for Geological Characterization in Unconventional Reservoirs From a New Through-the-Bit Logging Electrical Micro-Imaging Tool

Search and Discovery.com

Drilling-Time Data in Rotary Practice: Part I. Interpretation of Data

T. C. Hiestand

AAPG Bulletin

...-tail bit and to run the core barrel. Variations in drilling time per foot were used some ten years ago by numerous geologists in the Seminole...

Logging While Drilling as the Kernel Acquisition … Fully Integrated Formation Evaluation in a Deepwater Exploration Campaign, Makassar Strait, Indonesia

Mathias Horstmann, Graziano Capone, Lilik Budi Riyanto, Yus Wilian, Scott Fey

Indonesian Petroleum Association

... the complimentary wireline logging. Stateof-the-art LWD technology provides bit resistivity for instantaneous coring point selection to ensure full core...

First Successful Single-Trip Hole-Enlargement-While-Drilling and Rathole Elimination Operation in Indonesia Using Integrated Borehole Assembly Design and Modeling

Bonar Noviasta, Siti Awaliyah, Shannon Sonny, Kevin Pratama, Frengky Hasibuan

Indonesian Petroleum Association

... below measurement- and logging-while-drilling (M/LWD) tools, closer to the bit. This advanced technology, however, required extensive preplanning...

Abstract: Differentiation of Shale Types by Allochthonous and Autochthonous Nannofossils, by W. W. Cooper; #90978 (1975).

Search and Discovery.com

Seismic Exploration on Barrow Island

P. A. Jelley, M. J. Sayers

Petroleum Exploration Society of Australia (PESA)

... not of sufficient quality to allow confident mapping of the exploration objectives on Barrow Island. In 1987, a 1024 channel, "sign-bit"Vibroseis crew...

An Interesting Example of a Survey of a Deep Bore Hole

F. S. Hudson, N. L. Taliaferro

AAPG Bulletin

... be little doubt that the brown marl represents the youngest member of the Monterey series at this locality. At 1,787 feet the bit entered dense, fine...

Kiffen Nacimiento (Gas), T. 32 N., R. 11 W., NMPM, San Juan County, New Mexico

Elliott A. Riggs

Four Corners Geological Society

... to the surface. A string of 4 ″ casing was run in a 6 ″ hole to 710 feet and cemented. A bit and a bit sub were run on 2 ″ tubing to drill out...

Integrating Engineering and Operations for Success HT-HP Exploratory Drilling [Abstract]

Dr. John R. Smith,, Robert S. Cade, Roger D. Gatte

New Orleans Geological Society

... of important industry standard practices to pure experimentation, such as with previously untried bit designs, and included a comprehensive effort...

A New Slim Full Bore Electrical Micro-Imaging Tool Conveyed through the Drill String and Bit for Geological and Reservoir Characterization of Unconventional Reservoirs

Sachin Bammi, Peter Wells, Mark Fredette, Julien Toniolo, Abhishek Mallick, Henry Nguyen, Elia Haddad, Robert Laronga, Josselin Kherroubi

Unconventional Resources Technology Conference (URTEC)

...’ is an engineering abbreviation which denotes a through-the-bit microelectrical imager. Section 3 Pad 2 is at the top of the hole (TOH) and the density...

Abstract: 3-D Seismic Reveals Potential New Play in Shallow Water

Marc A. Lawrence , Louise S. Durham , Hugh T. Logue

GCAGS Transactions

... associated with major fault systems which sole out on this horizon are generally known. Massive structures that have never been tested with the drill bit...

Successful Remedial of Collapsed Conductor Pipe With Collision Issue in Offshore Jack Up Operation

Aulia Hamdani Feizal, Made Allan Pribadi, Bidner Rivai Hasoloan Sianturi, Ridwan Durachman

Indonesian Petroleum Association

... seabed location (Figure 4). After rig arrival, the 20” CP of Well-31 was clean up with 17-1/2” Directional BHA. During clean out, the bit was held up...

Abstract: Successful Development of a Thin Oil Column Using Horizontal Drilling in the Palas Field, Malay Basin (Poster 11)

Ang Duen Woei, Abdul Aziz Abd Rahim, Michael D. Crumley

Geological Society of Malaysia (GSM)

... assemblies also provide near bit inclination measurements, which reduce the survey to bit projection uncertainty. This in turn reduces the wellbore...