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The AAPG/Datapages Combined Publications Database
Showing 4,247 Results. Searched 200,293 documents.
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...
1939
Real-Time Drilling Optimization Using Azimuthal Density Tool (ADT)
Search and Discovery.com
N/A
Depositional Environments and Gas Production Trends, Olmos Sandstone, Upper Cretaceous, Webb County, Texas: ABSTRACT
John W. Snedden, David G. Kersey
AAPG Bulletin
..., diamond bit cores and 50 thin sections. The morphology of the sandstones was determined by correlation of over 300 electric logs. End_Page 1437...
1982
Study on the Fluctuation of Bottomhole Pressure While Starting and Stopping the Drilling Pump
Search and Discovery.com
N/A
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...
2017
Successful Utilization of Cutting Edge Bi-Center Bit to Address Subsurface Uncertainties in Offshore Exploration Well Indonesia
Mohammad Fauzi, Djoko Pinartjojo, Triadi H. Aribowo, Arif Hudiman
Indonesian Petroleum Association
...Successful Utilization of Cutting Edge Bi-Center Bit to Address Subsurface Uncertainties in Offshore Exploration Well Indonesia Mohammad Fauzi, Djoko...
2022
Porosity Determination from Mechanical Measurements in Carbonates Affected by Severe Drilling Fluid Invasion; #42560 (2020)
Peter Kirkham
Search and Discovery.com
... of porosity and water saturation (Kyi, Han, Lee, Roberts, and Maeso, 2015). Since the initial point at which the bit penetrates the rock is when...
2020
Drilling Problems: Part 3. Wellsite Methods
Phyllis Loose
AAPG Special Volumes
... in the weight applied to the bit. Severe doglegs can result in stuck casing, drill pipe failure, and inability to run casing to total depth. If casing...
1992
Geological Challenges in the Development of a Colombian Waterflood Using Horizontal Wells
Search and Discovery.com
N/A
Drilling and Completion System of Shale Gas Based on Drilling Robot With Multi-Branch Micro-Wellbores
Search and Discovery.com
N/A
Integrated Application of Logging-While-Drilling (LWD) Electrical Images to Drilling, Geosteering, and Real-Time Formation Evaluation: A Case Study from the Precambrian Dengying Formation, Central Sichuan Basin of China, #41939 (2016).
Feng Zhou, Jun Wang, Hua Zhang, Fu-Feng Guo, Da-Li Wang, Dong Liu, Jack Zhao, Xing-Yan Zhang
Search and Discovery.com
... storage sections. The drilling events that occurred in the horizontal section included 14 bit replacements due to roller bit wear from hard...
2016
Abstract: Mudstone Geophysical Properties for Pressure Prediction, by Daniel Ebrom; #90085 (2008)
Search and Discovery.com
2008
A New Approach to PDC Bit Design Leads to Improved Durability without Compromising Rop: A Case Study in an 8 1/2-In. Hole S-Type Well in Swamp Drilling Operation, Kalimantan
Aditia Hermawan, Agata Advensia Eksa Dewanti, Larasati Dina Putri, Angga Dwikara, Triadi Herwasto Aribowo
Indonesian Petroleum Association
...A New Approach to PDC Bit Design Leads to Improved Durability without Compromising Rop: A Case Study in an 8 1/2-In. Hole S-Type Well in Swamp...
2024
Measurement While Drilling: Part 3. Wellsite Methods
Michael F. Medeiros
AAPG Special Volumes
...) -- Weight and torque on bit DATA ACQUISITION Downhole MWD hardware consists of sensors built into a drill collar positioned near the bit (Figure 1...
1992
PETROPHYSICAL TRAITS AND RESERVOIR PERFORMANCE IN THE HRUBETZ ELLENBURGER FIELD, COLEMAN COUNTY, TEXAS
STEPHEN HARRELL
Fort Worth Geological Society
.... An exception to this rule is the case where there is little or no increase in the penetration rate, but erratic drilling response known informally as bit...
1985
First Application of Dual Underreamer at Deepwater Exploration Well in Indonesia
Frengky Hasibuan, Koji Takase, Bonar Noviasta
Indonesian Petroleum Association
..., flow-cycle-activated near-bit underreamers for 121/4”x14-1/2” and 10-5/8”x12-1/4” became available to be used in combination with ball-drop-activated...
2017
Evaluation of Logging While Drilling Technology, Offshore, East Kalimantan
S. Sutiyono
Indonesian Petroleum Association
... wireline log data were acquired in 12 wells. The measurements included resistivity, gamma ray, neutron, density, and photoelectric factor. In general...
1992
Estimating Real-time Pore Pressure at the Bit via Machine-learning
Matthew Reilly, Gareth Taylor, Orlando De Jesus, Muhlis Unaldi, John Thurmond, Mike Party, Koda Chovanetz
Unconventional Resources Technology Conference (URTEC)
... sources most of which are detected from sensors placed 100’s of feet behind the drill bit (where resistivity, sonic, density etc. tools are commonly placed...
2023
Abstract: Utilizing High-Resolution LWD Images to Improve the Well Productivity by Maximizing Reservoir Contact and Optimizing Completion Design in Carbonate Reservoirs; #91204 (2023)
Hussain Al-Najrani, Ahmed Fateh, Hesham Elmasry, Ahmed Taher
Search and Discovery.com
... the reservoir challenges. The choice of density or resistivity imaging close to the bit depends on the pre-well model, with the challenge being...
2023
Using Machine Learning for Geosteering During In-Seam Drilling
Ruizhi Zhong, Ray L. Johnson Jr, Zhongwei Chen
Unconventional Resources Technology Conference (URTEC)
...-bit tools such as density and gamma ray are used for geosteering. However, these tools are usually costly and the major coal seam drilling indicator...
2021
Field Analysis Continues to Reinforce the Role of Bit Technology in Improving Overall Drilling Performance/Economics
Wayne D. Peterson
Wyoming Geological Association
...Field Analysis Continues to Reinforce the Role of Bit Technology in Improving Overall Drilling Performance/Economics Wayne D. Peterson 2001 55 64...
2001
Transition Zone Drilling in Tunu Field (Total Indonesie): A Case Study
T. A. Syamlan, Djoko Minto, Darto Sayogyo, J. C. Dubroca
Indonesian Petroleum Association
... evaluation purposes, Dexp should be corrected with bit wear and mud density changes during drilling. Equivalent Circulating Density (ECD) ECD is the mud...
1995
Air-Gas Drilling in Northwestern Colorado
Robert W. Sneed, A. Hamilton Mencher
Rocky Mountain Association of Geologists
... as downhole temperature increase, density of cuttings, size of hole, bit, drillpipe, and other variables. Angel points out that circulating rates...
1962
First Run Rotary Steerable System and MPD N2 Injection
Huber Borja, Ramón Perdomo, Luis Lopez
Unconventional Resources Technology Conference (URTEC)
... Figure 4. Bottom Hole Assembly (BHA) considering Push-the-bit RSS and LWD nuclear tools (density and thermal neutron) As drilling commenced, the RSS...
2023
Abstract: Part 1 - Bit Type Analysis and Drilling Concerns through Top Hole Formations of the Utica Shale Play; #90228 (2015)
Brett Freeman
Search and Discovery.com
...Abstract: Part 1 - Bit Type Analysis and Drilling Concerns through Top Hole Formations of the Utica Shale Play; #90228 (2015) Brett Freeman AAPG...
2015