Research Methods Papers a Portable Drilling Rig for Coring Permafrosted Sediments

Warren Dickinson , Pat Cooper , Bain Webster , Jeff Ashby

Journal of Sedimentary Research (SEPM)

... winch on a tripod. The supply of compressed air is critical to keep the drill bit at subzero temperatures and prevent melting of the core and nearly...

Rotary Air-Drilling of Phosphate Deposits in Southeastern Idaho

H. D. Harris

Utah Geological Association

... is difficult or impossible using the conventional tri-core rock bit and the best penetration is obtained by drilling with a down-hole percussion tool...

Abstract: Enhancing Drilling Efficiency Using a New Robust Correlation of Rate of penetration; #91204 (2023)

Mohammed Murif Al-Rubaii

Search and Discovery.com

... and time effectiveness. Drilling brig and bit hydraulics are supportive factors to optimize ROP. There are several factors can affect ROP while drilling...

Collapsible Bit and Coring Device for Rotary Drilling: GEOLOGICAL NOTES

Elton Rhine

AAPG Bulletin

...Collapsible Bit and Coring Device for Rotary Drilling: GEOLOGICAL NOTES Elton Rhine 1921 519 521 5 4. (July-August) J. C. Stokes, an electrician...

Abstract: Successful Utilization of the Shaped Point Loading Edge Cutters Technology to Eliminate Directional Downhole Tools Failures and Enhance the Drilling Performance of Long Laterals in the Middle East; #91204 (2023)

Munir Bashir, Mahmoud Algaiar, Moustafa Farhat, Pablo Rojas and Mohannad Aljishi

Search and Discovery.com

... introduces various challenges such as poor rate of penetration, high near-bit vibrations and down hole tool failures. To overcome these challenges, a shaped...

Drill Bit Walk and Near-Wellbore Heterogeneity Illuminated by Azimuthal Gamma Ray while Drilling into Hard and Interbedded Formations along Unconventional Horizontal Wells

Haijing Wang, Kelli Randall, Kevin Sutherland, Mason Edwards, Yegor Se, Ed Stockhausen, Pete Clark

Unconventional Resources Technology Conference (URTEC)

...Drill Bit Walk and Near-Wellbore Heterogeneity Illuminated by Azimuthal Gamma Ray while Drilling into Hard and Interbedded Formations along...

Field Testing of the Industrys First All-Muds At-Bit Resistivity Tool

Tsili Wang

Unconventional Resources Technology Conference (URTEC)

...Field Testing of the Industrys First All-Muds At-Bit Resistivity Tool Tsili Wang 4262251 1 URTeC: 4262251 Field Testing of the Industry’s First...

ABSTRACT: Water-Sensitive Shales of Gulf of Mexico: Correlation with CEC Values for PDC Bit Applications, by David E. Cook; #91038 (2010)

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Abstract: Using Seismic-While-Drilling (SWD) Data to Assist in Selecting Casing Depths: Case Histories, by A. Manzur and J. Meyer; #90982 (1994).

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ABSTRACT Geo-Stopping the Real Value of At-Bit Measurements in Deep Water Angola , #90104 (2010)

Artur Celestino M.

Search and Discovery.com

...ABSTRACT Geo-Stopping the Real Value of At-Bit Measurements in Deep Water Angola , #90104 (2010) Artur Celestino M. Geo‐Stopping, the Real Value...

Abstract: Force Analysis and Test of Bridge Plug Drilling; #130000 (2018)

Chengyu Lan, Yuqi Ding, Jubao Liu, Ziwei Dai, Huiyu Zhou, Yuxi Liu

Search and Discovery.com

... To quantitatively control weights on bit(WOBs) and torques of the coiled tubing bit in the drilling of a bridge plug,and to eliminate problems related...

Landing with Confidence and Accuracy in a Big Bore Subsea Gas Producer - An Integrated Approach for Setting a Critical Casing Point in the Jansz-Lo Field Development

Leigh Thomas, Matthew Waugh, Matthew Thornberry, Hanming Wang, Haifeng Wang, Farshid Hafezi, James Dolan, Anis Ali

Australian Petroleum Production & Exploration Association (APPEA) Journal

.... Conventional methods such as near-bit gamma ray carried high risk because the sensor offset to bit is close to the penetration limit. Therefore, a new...

Wellbore Trajectory: Part 3. Wellsite Methods

Curtis Cheatham

AAPG Special Volumes

... is controlled by the type of bottom hole assembly used and the weight on the bit. The bottom hole assembly, or BHA, is that portion of the drill string closest...

Overcoming Complex Geosteering Challenges in the Cardium Reservoir of the Foothills of Canada to Increase Production Using an Instrumented Motor with Near Bit Azimuthal Gamma Ray and Inclination

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Abstract: Neural Networks Facilitate Precise at - Bit Formation Detection Suitable for Deployment in Automated Drilling Systems; #91204 (2023)

Lucas Katzmann, Stefan Wessling, Matthew Forshaw, Joern Koeneke

Search and Discovery.com

...Abstract: Neural Networks Facilitate Precise at - Bit Formation Detection Suitable for Deployment in Automated Drilling Systems; #91204 (2023) Lucas...

LWD Geosteering and Natural Fracture Identification in Horizontal Wells in Unconventional Reservoirs

Greg Meszaros, Paul Boonen

West Texas Geological Society

... The introduction of at-bit gamma ray and inclination measurements in a Logging-While-Drilling (LWD) tool string greatly enhances the geosteering capabilities...

Orientation of Cores by Bit Marks: GEOLOGICAL NOTES

K. W. Barr , H. S. Conder , G. S. Carter

AAPG Bulletin

...Orientation of Cores by Bit Marks: GEOLOGICAL NOTES K. W. Barr , H. S. Conder , G. S. Carter 1952 163 167 36 1. (January) During experimental work...

Abstract: Application of a Point the Bit Rotary Steerable System in Directional Drilling Prototype Well Bore Profiles for Aera Energy, LLC, by S. Schaaf; #90911 (2000)

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AAPG Memoir 76, Chapter 16: Pore Pressure ahead of the Bit: An Integrated Approach

Nader C. Dutta, William H. Borland, W. Scott Leaney, Richard Meehan, and W. Les Nutt

AAPG Special Volumes

...AAPG Memoir 76, Chapter 16: Pore Pressure ahead of the Bit: An Integrated Approach Nader C. Dutta, William H. Borland, W. Scott Leaney, Richard...

Use of Drilling Data to Generate Rock Mechanical and Natural Fracture Property Logs in Horizontal Wells, #41806 (2016).

Mazeda Tahmeen, Geir Hareland

Search and Discovery.com

... on bit (DWOB) from surface drilling data, drill string information and wellbore survey measurements. The D-Rock software calculates the rock mechanical...

Wellsite Math: Part 3. Wellsite Methods

Greg Dunn

AAPG Special Volumes

...] CIRCULATION OR LAG TIME Bottoms-up circulation, or lag time, is the time for samples or gas created at the bit to arrive at the surface (via the drilling...

RSS PowerDrive Orbit: Records in Challenging Mahakam Swamp Directional Well

Alvin Ivan Handoko, Rangga Saputra, M. Dahnil Maulana, Timora Wijayanto, Esa Taufik

Indonesian Petroleum Association

... PowerDrive* (RSS PD) X6 is used to drill this section. It uses push-the-bit mechanism with hydraulically activated pads that continuously push against...

Significance of Coring-Induced Fractures in Mesaverde Core, Northwestern Colorado (1)

JOHN C. LORENZ, SHARON J. FINLEY, and NORMAN R. WARPINSKI

AAPG Bulletin

... in these wells by anelastic strain recovery measurements. Coring-induced petal and petal-centerline fractures form just below the advancing core bit...

A Hand Auger for Boring Recent Sediments: NOTES

James P. Morgan, William G. Mcintire

Journal of Sedimentary Research (SEPM)

...-surface sediments. After considerable experimentation with conventional soils-type augers a modified type of bit has been developed which is very...

Rate of Penetration: Part 3. Wellsite Methods

Scott Boone

AAPG Special Volumes

... of the derrick (see the chapter on "Land Rigs" in Part 3). Kelly height can then be measured and directly related to bit depth. As each foot is drilled...