Some Features of Interpretation of Results of Gas Logging

V. V. Masyukov

Petroleum Geology: A Digest of Russian Literature

... obtained on the influence of filtration of drilling mud below the bit on the results of gas logging. Experimental investigations of the possibility...

Using drilling data to characterize reservoirs

Kevin Wutherich, Jason Glascock, Bill Katon, Brian Sinosic

International Meeting for Applied Geoscience and Energy (IMAGE)

... things like the rate of drilling, weight on bit, torque, and mud flow to the mud motors. However, MSE is a function of both the drilling efficiency...

Teaching the Machines

Jake Bouma

GEO ExPro Magazine

... and every bit of data gathered is of value, but it is actually the opposite – many companies have spent millions on collecting, cleaning and storing data from...

The Eyes of North Sea Geology

Henk Kombrink

GEO ExPro Magazine

... of MWD/LWD tools was less common and the tools used more basic therefore drilling parameters such as ROP, torque and weight on bit were essential...

CNOOC makes largest offshore hydrocarbon discovery in special rock formation. What is that about?

Henk Kombrink

GEO ExPro Magazine

...’s Bohai Sea. That certainly sounded interesting, but still a bit cryptic. Fortunately, the CNOOC website itself presented a better description...

Rubble In The Hole: Much Ado About Nothing

Frank H. Wind

West Texas Geological Society

... encountered and the core bit was pulled from the hole. The hole was reentered and coring resumed. When core #4 was pulled from the well, the upper 1.5 ft...

Abstract: Cambro-Ordovician Subsurface Stratigraphy of the Black Warrior Basin in Mississippi

Kevin S. Henderson

GCAGS Transactions

... was encountered in the Copper Ridge Dolostone from 7608 to 7725 feet. The bit "fell" the first 24 feet of this 117 foot zone and circulation was lost...

Memorial: Harold D. Herndon (1902-1998)

George His

AAPG Non-Technical and Memorials

... purposes and Harold jumped on that bit of new science quickly. He didn't really like to make sample logs very much anyway. While in Houston, Harold had...

Abstract: The Quest from Shallow Shelf to Deepwater in Latin America: How We Got Where We Are, Where We Are Going

Rog Hardy, Grant Fergeson, Jim Peck

Houston Geological Society Bulletin

... accumulations in “open” systems remain undrilled or barely touched by the bit, from deepwater Barbados to Argentina on the Atlantic side, and higher...

Offshore Seepage Mapped from Space High-Grades Unexplored Parts of Southeast Asia Basins

G. Lawrence, A. Fleming, M. Broadley, N. A. Press

Indonesian Petroleum Association

... bit data are selectively compressed to 8 bit and the data are normalised for wind speed using proprietary software. Enhanced processing of raw ocean...

Memorial: Larry Seright (1927-2004)

Darryl James

AAPG Non-Technical and Memorials

... meeting with Depco and decided he was a bit standoffish. Being a bit uncomfortable in his presence, I initially shied from asking whether to run pipe...

Detecting Induced Fractures using Drilling Data to Gain Insights into Unconventional Fracture Growth

Kevin Wutherich, William Katon, Brian Sinosic, Sridhar Srinivasan

Unconventional Resources Technology Conference (URTEC)

... Unconfined Compressive Strength, because confining stress, and pressure, play a significant role in the effective rock strength seen by the bit...

Abstract: New Seismic Rules Yield Instant Results: First Surveys in Five Years

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... . "With 2 D the actual costs of the vesse l is sign ificantly lower than 3D which means you can sometimes take a bit more risk on a new bas...

Geologic Controls on Seismic Amplitudes

Jarrod Dunne

Petroleum Exploration Society of Australia (PESA)

...) where amplitudes than modelling w ith a little bit of stochastic were, t o some degree, tout ed as a reason for uncertainty in the key input...

First Shallow-Water Multi-Transient EM Survey

Search and Discovery.com

..., switching between +700A and -700A. The source bit rate was varied for different offset ranges. The actual source current was not a perfect PRBS...

Abstract: A Field Study of the Montney Shale in British Colombia, Canada: An Organic Shale Development Roadmap for Existing Wells; #90174 (2014)

Siti Zulaikha Bt Mohammad, Siti Salwa Bt Sharuddin, Nurul Izza Bt A Rashid, M. Zulkhairi B. M. Zahari, Hafiz Affendi B. Abu Hassan, Izral Izarruddin B. Marzuki, Noor Alyani Bt Ishak, Mark Machala, Kehinde Adesina, Chung Yee Lee, Jan Loaiza, and Ken Huggins

Search and Discovery.com

... in the assessment process. Without this preliminary assessment, many of the decisions concerning well placement and spacing, drilling and bit design, mud...

Abstract: Oil Saturation Determination-Lab & Logging difficulties & a Hybrid Approach; #90187 (2014)

Matt Blanch

Search and Discovery.com

... know PV2=Bit +Water+ Winv and PV1= Bit + Water. Assuming GV1=GV2=GV (grain volume), and there is no gas component. We can solve the above equations...

Rocky Mountain Subthrust Exploration Using Pre-Stack Depth Migration, by Mary Sue Purcell, Steven G. Siguaw, and Steven G. Natali, #40118 (2004).

Search and Discovery.com

Advanced Horizontal Technologies Improve Drilling Performance in the Barnett Shale

Sandeep Janwadkar

Search and Discovery.com

... by Utilizing Advanced Resistivity Imaging Technology Vertical Interval Optimized Drilling Parameters To Minimize Vibrations and Extend Bit Life Curve Interval...

Controls on Porosity Development and the Potential for CO2 Sequestration or Waste Water Disposal in the Cambrian Potosi Dolomite (Knox Group): Illinois Basin, #50731 (2012)

Jared T. Freiburg, Hannes E. Leetaru

Search and Discovery.com

... drilling through the Potosi Dolomite in the Knox Group, circulation was lost and bit drops occurred on both wells suggesting a zone of cavernous porosity...

Helping to Understand Compartmentalization and Reservoir Segmentation Using Mass Spectrometer Mud Gas Analysis; #41213 (2013)

Bruce Warren

Search and Discovery.com

... corner will very quickly and very effectively equilibrate. If a drill bit then penetrates the “room” the gas being circulated back up, if at different...

Innovation in Horizontal Wells Petrophysical Evaluation, A Case Study from Kuwait; #41300 (2014)

A. I. Elsherif, W. Bryant, A. Al Mershed, H. Al-Zuabi, K. Al-Failakawi, and S. Nair

Search and Discovery.com

... in affecting the Σ reading. Therefore, it is a bit risky to use Σ from Wireline tools to calculate water saturation Sw. Σ Measurement with LWD...

Enhancing Reservoir Performance of a Marginal Oilfield through Advance Well Placement Application in North China, #41337 (2014)

Guomin Xu, Zhongmin Gao, Yonghua Liu, Qilu Liu, Yuling Wang, Fei Wang, Shuzhong Li, Chonghui Xu, Yong Wang, Cang Li

Search and Discovery.com

..., and the real-time well placement was monitored by using high-resolution resistivity image; along with near-bit measurements in all horizontal wells...

New Technology to Acquire, Process, and Interpret Transient EM Data; #41579 (2015)

Anton Ziolkowski, Richard Carson, David Wright

Search and Discovery.com

... sequence (PRBS) source time function; and source bit rate. By exploiting the symmetry of the bi-pole field of the source, we are able to measure noise...

Efficiently Integrating Seismic Data into the Geosteering Process to Accurately Position Wells for Increased Production; #42061 (2017)

Hank P. Chambers, Kayla Ball

Search and Discovery.com

.... Geosteering tools provide techniques to determine where the well is located within a specific formation and predict the geology ahead of the bit to aid...