Impact of in-Seam Drilling Performance on Coal Seam Gas Production and Remaining Gas Distribution

Fengde Zhou, Glen Fernandes, Joao Luft, Kai Ma, Mahmoud Oraby, Mariano Ospina Guevara, Dan Kuznetsov, Brad Pinder, Sean Keogh

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., such as near- or at-bit gamma ray (GR) logging (Wheeler et al. 2012), density, resistivity, sonic and mud logging, allow us to look ahead and look...

Successful Sub-ERD Sidetrack Well in Offshore

Ana Sri Redjeki, Bramarandhito Sayogyo, Dhanie-Anugrah Dewanta

Indonesian Petroleum Association

... brittle coal layers and loosen sands, formed in inter-bedded layers. Since the company has relied on the Point-the-bit rotary steerable systems (RSS...

Frequency, distribution, and mechanisms of evaporite karst drilling hazards in the western Delaware Basin: Learnings from historical high-density exploration in Culberson County, Texas

Andrew Roark

AAPG Bulletin

... exploration and more recent development activities. These data record events such as partial or total lost returns, bit drops, and H2S or hydrocarbon...

Real-time chemostratigraphy at wellsite; removing drilling uncertainties

David Riley, Morven Davidson, Tim J. Pearce, Alex Fuerst, Jordan Kinsley

Australian Energy Producers Journal

...; using the pre-wellsite study, and depending on the throw of the fault, it is still possible to advise the likely position of the drill bit relative...

The Fundamental Principles of Core Analysis and their Application to Gulf Coast Formations

Ben A. Elmdahl

GCAGS Transactions

... coring medium. FLUID MECHANICS OF CORING Flushing of Oil Sands When a core bit is penetrating a permeable oil productive formation with drilling fluid...

CURRENT DRILLING AND FORMATION EVALUATION TECHNIQUES WILLISTON BASIN

ROBERT M. WATKINS

Montana Geological Society

... bit weight can be carried to increase penetration rate through the hard deeper formations, (b) 9" button type bits appear to outperform...

Induction, Resistivity and MWD Tools in Horizontal Wells

S. Gianzero, R. Chemali, S. M. Su

Geological Society of Malaysia (GSM)

... application. This tool consists of two measurements, one called the Lateral and the other called the Bit. The lateral measurement is similar...

Formation Evaluation of Type-1 Fractured Basement Rocks Using Borehole Data

Adriaan A. Bal, Javier Franquet, Stephen Dymmock, Robert Maddock, Glen Palamountain, Ali Baradi, Dinah Pantic, Fermín Fernández-Ibáñez

Indonesian Petroleum Association

..., reflecting the in-situ stress regime. They can develop ahead of the drilling bit as petal and centre-line fractures due to excessive weight on bit...

Selection of Best Drilling Design for Geothermal Drilling … Case Studies

Bonar Tua Halomoan Marbun, Samuel Zulkhifly Sinaga, Sandro Priatmojo M, Theodorus Gunawan

Indonesian Petroleum Association

..., a hard rock type, which will affect the performance of the bit and the rate of its penetration. The other distinction between oil/gas reservoirs...

Understanding the Trade-offs in Drilling the Perfect Horizontal Well

Keith C. Oren

Unconventional Resources Technology Conference (URTEC)

..., the drill bit’s tendency was to stay in the lower formation and therefore it became difficult to break back up into the upper targeted formations...

Logging Rotary Wells from Drill Cuttings

Stuart K. Clark , Jas. I. Daniels , J. T. Richards

AAPG Bulletin

... in the figures. First, errors in the determination of the depth at which the bit is actually operating, and second, errors due to lag in the returns...

Fractal and Shape Analyses of Manganese Dendrites on Vein Quartz

T. F. Ng, G. H. Teh

Geological Society of Malaysia (GSM)

... dendrites developed into more intricate forms. Digital photographs of dendrites were taken in the field and then converted to single bit images for fractal...

Seismic Attributes Correlated With Drilling Difficulties in Tertiary Carbonate, Abadi Field, Eastern Indonesia

Wataru Sekiguchi, Koji Matsui, Tatang Juhatta, Dewi Rahmalia

Indonesian Petroleum Association

... Bit, roller reamer and mud motor were installed to BHA to minimize drill string vibration. The vibration sensor, gamma ray and resistivity LWD tools...

Placing key casing points using wellsite chemostratigraphy in the Ungani Field, Canning Basin, Western Australia

A. Forbes, D. Long, F. McNee, A. Millar, A. Wilson

Petroleum Exploration Society of Australia (PESA)

... Laurel Shale can give a false indication of having penetrated the Ungani Dolomite. With the LWD GR tool placed 10 m behind the bit, this tool cannot...

What I Wish My Geologist Knew About Drilling: Geosteering From a Drilling Engineer's Perspective

Samuel F. Noynaert

Unconventional Resources Technology Conference (URTEC)

... 5 the geosteering operation by maintaining the given “odd” parameter as needed, thus making it easier to keep the bit in zone. What Exactly Do...

3D Driven Rock Quality Mapping and Landing Target Selection in the Wolfcamp Formation: A Case Study on How to Combine Geologic, Geophysical, and Engineering Data to Produce Better Well Results, Midland Basin, Texas

Aaron Fisher, F.X. O'Keefe, Chris Niedz, Brian Wehner, Nick Kramer, Paul Heuermann, Scott Patrick

Unconventional Resources Technology Conference (URTEC)

... by core, logs, and easily tied to seismic. These carbonate debris flows can be very problematic when encountered while drilling (excessive bit wear...

Woodside Bites into Frontier Oil Play

PESA Staff

Petroleum Exploration Society of Australia (PESA)

... compan ies through the 1980s and early 1990s to destroy billions of dollars of shareholder value in failed exploration. It is good to do a bit...

Selection of Logging-While-Drilling Measurements for Geosteering of Horizontal Wells in Unconventional Reservoirs

Joseph Gremillion, Mike Flowers, Nicholas Tvrdy, Michael Okoro, Zachary Newnam

Unconventional Resources Technology Conference (URTEC)

.... This is shown in the model in Fig. 8. It was apparent that the azimuthal GR image had the best response and would be closest to the bit...

A More Accurate Integrated Multimineral Petrophysical Model in Unconventional Reservoirs using Data from Cuttings: A Case Study from Powder River Basin, USA

Khaled Ahmed, Peyton Lowrey, Karl Graham, Dick Merkel

Unconventional Resources Technology Conference (URTEC)

... Mineralogical and chemical analyses are not, or are poorly, affected by the type of bit or mud used during drilling operations and can provide valuable...

Optimized Production Perforation With Hydrocarbon, Water, and CO2 Detection By Means of an Innovative, Portable, and Cost-Effective Gas Analyzer, A Case Study From Belanak Field

Julianta P. Panjaitan, Andrea Di Daniel, Yana Hendrayana, Heru Putranto, Aleksandar Gligorijevic

Indonesian Petroleum Association

... containing the interpretation notes, ii) Fluid Type, iii) Water, iv) Bit Gas and v) number of Intervals selected for fluid composition. The C1-C10...

Ore Deposits in Paleozoic Rocks, Northern Black Hills, South Dakota

L. H. Shapiro, J. P. Gries

Wyoming Geological Association

... orientation as those in the Carbonate district just north. Two Bit Mining District The Two Bit mining district includes the area along Two Bit Creek from...

Proper Completion Critical for Horizontal Wells: Special Report January 1990

Dr. S. D. Joshi

AAPG Special Volumes

... - fully stabilized to reduce bending, blockage, and bit wobble, also permits higher weight-on-bit. 2. Inner Tube - stabilized to ensure core integrity...

Time and Temperature in Petroleum Formation: Application of Lopatin's Method to Petroleum Exploration

Douglas W. Waples

AAPG Bulletin

... (Bit/Corg), carbon preference index (CPI), kerogen hydrogen/carbon (H/C) ratio, percent expandable clays, and gravity (API) are presented graphically...

Handbook on Static Pressures, by D. E. Powley, #60007 (2006).

Search and Discovery.com

Niobrara Oil Potential

Richard A. Harnett

Earth Science Bulletin (WGA)

... encountered within the Niobrara range from cavernous, with the drill bit dropping 20 feet or more, down to hairline width. Depth of burial does not appear...