Flexure of the Lithosphere: Chapter 5

Charles L. Angevine, Paul L. Heller, Chris Paola

AAPG Special Volumes

... of the added crust. A local isostatic balance requires that: [EQUATION (5.1)] where w = vertical deflection of the crust m= density of asthenosphere...

Use of the Dual Laterolog for the Evaluation of the Fracture Porosity in Hard Carbonate Formations

C. Boyeldieu, A. Winchester

Southeast Asia Petroleum Exploration Society (SEAPEX)

... in front of fractured formations — specially the microresistivity devices. The porosity tools such as the Formation Density and the Compensated...

Aplication of Multiple Formation Properties Measurement from a Single Pulse Neutron Logging Tool, to Resolve Reservir Gas Saturation from a Challanging Well Condition: A Success Story from Shallow Prospect at Block B North Sumatra Basin

Samini Pandian Muruthy, Banu Andhika, Ulimaz Dhania, Alfonso Bryan, Nailul Marom

Indonesian Petroleum Association

... with the 8.5-inch bit in obtaining open hole data covering all the targets. When the triple-combo tool string was run into the hole, the string could...

Mudstone Geophysical Properties for Pressure Prediction

Dan Ebrom

GCAGS Transactions

... and yet remain perhaps the most poorly understood lithology from a geophysical perspective. In particular, density and neutron logging...

Case History of an Outstanding Horizontal Bakken Well: Slawson Sidewinder 1-7, Billings County, North Dakota

Dean C. Brooks

Montana Geological Society

... OPERATIONS The Sidewinder 1-7 spudded on December 11, 1989. After setting 9⅝" surface casing at 1744', an 8¾" bit was used to drill...

Accurate Wellbore Geometry Logging Enhances Geomechanical Modeling and Drilling Optimization Practices (Paper 11)

Martin Paris, Seehong Ong

Geological Society of Malaysia (GSM)

...-productive time (NPT}. Additionally, borehole spiraling due to suboptimal bottom-hole assembly (BRA) and bit designs can significantly affect torque and drag...

Ground-Water Flow and the Geothermal Regime of the Floridian Plateau (1)

F. A. Kohout

GCAGS Transactions

... flow. The reduction in density produces an upward convective circulation which brings the sea water into contact with fresh water recharged through...

An Integrated Workflow to Detect and Avoid Shallow Karst Drilling Hazards in the Delaware Basin

Phuong Hoang, Khalid Soofi, Patrick Boyle, Benjamin Lascaud

Unconventional Resources Technology Conference (URTEC)

... drilling, if these features are big enough, they can cause loss of drilling fluid, wellbore instability, bit drops, and are a potential risk to surface...

T1-T2 NMR on Shale Cuttings

M.J. Dick, D. Veselinovic, Taylor Kenney, Derrick Green, Adam Haecker, Matthew Boyce

Unconventional Resources Technology Conference (URTEC)

... on rock core plugs, crushed core plugs to PDC bit size and PDC cuttings from similar depths. Data acquisition is done on a 20 MHz NMR spectrometer. The data...

Thums Oil Operations

Brigitte Berman, Donald Clarke

Pacific Section of AAPG

... be designed as a build and sail course, then an “S” shaped course using a maximum angle of 55° is attempted. THUMS requires that the bit remains within...

Deriving geothermal parameters from bottom-hole temperatures in Wyoming

Richard W. Davis

AAPG Bulletin

... is circulated down the drill string, out through the bit, and back up the well annulus for a while to stabilize the hole and clean out any cuttings still...

Geophysical Corner Articles from September 1996 – present, Compiled

Search and Discovery.com

Glauconite Sandstone Exploration: A Case Study from the Lake Newell Project, Southern Alberta

E. J. Kevin Broger, Garth E. Syhlonyk, Brian A. Zaitlin

CSPG Special Publications

... cores. Figure 6. [a] Stratigraphic cross-section A-A′ with corresponding gamma/density logs and cored intervals (thick vertical lines); Location of cross...

Hydrocarbon-bearing volcanic lava deltas as potential reservoirs: A case study from the North Atlantic Igneous Province, Faroe-Shetland Basin

Óluva Reginsdóttir Eidesgaard, Lars Ole Boldreel, Niels Hemmingsen Schovsbo, and Jana Ólavsdóttir

AAPG Bulletin

... included bulk mineralogy, helium porosity, air permeability, and grain density measurements measured with a Vinci Technologies research standard...

"LITHO" a Computerized Approach to Lithofacies Identification

A. R. Somturk, S. Des Ligneris

Geological Society of Malaysia (GSM)

... intervals whose lithology is well known. The database currently uses log recording of density, neutron, sonic transit time, gamma ray, photo-electric...

Enhancing geosteering efficiency „ Automated key performance indicators for real-time geosteering decisions

Mohammed Alhussain, Faisal Bashir, Mohamed Elghannam, Hashem Fayoumi

International Meeting for Applied Geoscience and Energy (IMAGE)

... and generate accurate KPIs. By providing additional information about the well’s status, such as current bit depth, inclination, azimuth, and formation...

Abstract: Geosteering Techniques in Thin Coal Reservoirs; #90171 (2013)

Christine Burinda, Jason Pitcher, and Dennis Lee

Search and Discovery.com

... innovations in logging technology, such as the recently introduced Azimuthal Deep Resistivity (ADR) tool and Gamma-at-Bit Inclination (GABI) motor, are making...

Abstract: Geosteering Techniques in Thin Coal Reservoirs; #90171 (2013)

Christine Burinda, Jason Pitcher, and Dennis Lee

Search and Discovery.com

... innovations in logging technology, such as the recently introduced Azimuthal Deep Resistivity (ADR) tool and Gamma-at-Bit Inclination (GABI) motor, are making...

Influence of Karst Fabrics on Reservoir Heterogeneity, Madison Formation, Garland Field, Wyoming

A. Serdar Demiralin, Neil F. Hurley, Thomas W. Oesleby

Rocky Mountain Association of Geologists

... are gamma-ray and density-neutron logs, respectively. In terms of depositional environment, 1 = restricted peritidal, 2 = slightly restricted subtidal, 3...

Better Exploitation of Granitic Reservoirs: Understanding the Role of Stress Regime and Fractures

Dou Lirong, Chandramani Shrivastava, Dai Chuanshu, Wang Jingchun, Nidra Hammond, Chioma Anoliefo, Da Lei, Mahamad Siddick

Unconventional Resources Technology Conference (URTEC)

... ray, resistivity curves, density, neutron porosity etc.). Thin section as well as mineral analysis of cores and rock cuttings indicate...

Customized HPWBM Using Dual Brine System to Provide Wellbore Stability in Exploration North Madura Offshore Indonesia

M. Galih Samudera, Hafidz Ali, Remy Azrai, Agung Pratama

Indonesian Petroleum Association

... concentration at maximum 3% decreased the tendency of the shale to disperse while at the same time reducing the solid content since the initial density...

Gulf of Mexico Subsalt Deformation Zones: Weak Formation Integrity Rather than Anomalous High Pressure Zones

James C. Niemann

GCAGS Transactions

... design of subsalt wells. Athy, L. F., 1930, Density, porosity and compaction of sedimentary rocks: American Association of Petroleum Geologists Bulletin...

Precise Determination of Reservoir Fluids in Jurassic Kerogen From Pressurized Cores: Challenges to Success

Kim Long Nguyen, Rasha Al Morakhi, Mohammed Dasma, Mahmoud F. Shehab El Dein, Nami Al-Mutairi, Naveen Verma, Riyad Quttainah, Jason Ashby, Charlie Verret, Chris Rilling, Joe Ramoin, Jonathan Antia, David Wunsch, Tobias Rothenwänder, Erik Anders, Tobias Deutrich, Pritish Mukherjee, Mohamed Janem

Unconventional Resources Technology Conference (URTEC)

... in the NJ Kerogen in Well-A. Ten feet were contained within the pressurized barrel and an additional 0.95 foot of core in the drill bit. Since...

Utilizing Machine Learning to Improve Reserves Estimation and Production Forecasting Accuracy

Ashutosh Sharma, Ishank Gupta, Thai Phi, Shubhranshu Ashesh, Ram Kumar, Fabio German Borgogno

Unconventional Resources Technology Conference (URTEC)

... density and porosity. A VIF value of less than 1 signifies the absence of correlation, while a value falling within the range of 1 to 5 suggests...

If It Is So Easy, Why Dont You Come Do It Yourself? A Response to What I Wish My Geologist Knew About Drilling: A Drilling Engineers View of GeosteeringŽ

Raymond L. Woodward, Samuel F. Noynaert

Unconventional Resources Technology Conference (URTEC)

..., Chen, et al 2015, DeVerse and Maus, 2016, Grindrod, et al 2016). For some time, papers have been published advocating near-bit and continuous-reading...