Downhole Geochemical Analysis of Gas Content And Critical Desorption Pressure for Carbonaceous Reservoirs, by Robert A. Lamarre, #40217 (2006).

Search and Discovery.com

Combining Surface Geochemical Surveys and Downhole Geochemical Logging for Mapping Hydrocarbons in the Utica Shale, #41463 (2014).

Rick Schrynemeeckers

Search and Discovery.com

...Combining Surface Geochemical Surveys and Downhole Geochemical Logging for Mapping Hydrocarbons in the Utica Shale, #41463 (2014). Rick...

Rock Mechanical Behavior at the Inch Scale in a Thinly Laminated Unconventional Formation

Smaine Zeroug, Bikash K. Sinha, Ting Lei, John Jeffers

Unconventional Resources Technology Conference (URTEC)

... capabilities: pulse-echo with a trans-receiver and pitch-catch with one transmitter and two 10-cm-spaced receivers (Figure 1). URTeC 2457496 3...

Discrimination of Microseismicity Caused by Proppant Injection Using Microseismic Waveform Clustering: The Horn River Basin Case Study

Satoshi Ishikawa, Naoyuki Shimoda, Hiroyuki Tokunaga

Unconventional Resources Technology Conference (URTEC)

.... Microseismic data was acquired using 36 downhole arrays of 3C geophones in a vertical section of two horizontal wells. Microseismic events were...

Abstract: Downhole High-Resolution Palynozonation of the Al Khlata Formation in the Mukhaizna Field, Oman, Based Mainly on Cuttings Samples, by Michael H. Stephenson, Asya Al Rawahi, and Brian Casey; #90077 (2008)

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Abstract: Ultra-Sensitive Detection of Hydrocarbons to Assess Hydrocarbon Composition Using Downhole Geochemical Logging, by Rick Schrynemeeckers; #90202 (2014)

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Abstract: Optimizing Placement of Laterals and Frac Stages Using Downhole Geochemical Logging – an Eagle Ford Case Study, by Rick Schrynemeeckers; #90207 (2014)

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ABSTRACT: Measurement of GOR and Compositional Gradients by Downhole Fluid Analysis for Reservoir Characterization and Connectivity Assessment: Case Studies from Offshore West Africa; #90115 (2010)

Richard Jackson and Ilaria De Santo

Search and Discovery.com

...ABSTRACT: Measurement of GOR and Compositional Gradients by Downhole Fluid Analysis for Reservoir Characterization and Connectivity Assessment: Case...

Downhole Catalytic Combustion- A Tool for Methane Hydrate Dissociation, by William C. Pfefferle; #90035 (2004)

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Vertical Seismic Profiling in Hydrocarbon Exploration and Reservoir Development

Bob A. Hardage

Circum Pacific Council Publications

... hydrocarbon reserves. In order to record both downgoing and upgoing seismic events, either the seismic receivers or the seismic energy sources must...

Fast Shear Azimuths in the Marcellus Shale from VSP and Crossed Dipole Sonic Data; #42161 (2017)

Steve Horne, David Rampton, John Crowe

Search and Discovery.com

... was acquired in south west Pennsylvania using vertical vibroseis units deployed at a nominal radius of 2800 m at 22 locations around a downhole...

A Case for Microseismic Surface Arrays in Texas?

Hallie Meighan, Robert A. Hull, Earl Roberts

Unconventional Resources Technology Conference (URTEC)

... when vertical wells are unavailable for downhole monitoring. Surface acquisition of microseismic data is one such method that can be used...

Specialized processing of a massive distributed acoustic sensing (DAS) 3D VSP in a producing well

Ali Sayed, Francesca Twynam, Ran Bachrach, Philippe Caprioli, Marcus Holloway, Qingsong Li, Reetam Biswas, Daniel Tebo, Sam Buist

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the production string. A subsea umbilical connected the downhole DAS cable at the subsea tree to the acquisition system on the platform. The DAS recording...

Subsurface seismic imaging using drill bit noise

Mehdi Asgharzadeh, Ashley Grant, Andrej Bona, Milovan Urosevic

Petroleum Exploration Society of Australia (PESA)

.... In Figure 1, the phase associated with common raypath (BC) for sources A and B, is cancelled after cross-correlation of traces recorded by downhole...

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... survey (Duncan and Eisner, 2010) and downhole survey (Maxwell et al., 2010). Shallow well below water table is also an option for situations where...

Optimization of Formation Evaluation by Integration of Advanced Surface Fluid Logging and Downhole Tools in Difficult Geological Settings, #41816 (2016).

Mazwan B. M. Ali, Hasbulnallah M. Razali, Nur Hasnidar Bt Zulkifli, Fatin Hamimi Azhar, Mark Alexander Samung, Ra himah Halim, Taufiq Yaakob, M. Amin Nizar B.C.A. Razak, Anna Lebohang Sempe, Ivan Fornasier, Andrea Di Daniel, Simon Botelho, Gokarna Khanal, Elias K. Mathew, Rajeswary Kandasamy, Thierry Chabernaud and Mohd Ramziemran Abdul Rahman

Search and Discovery.com

...Optimization of Formation Evaluation by Integration of Advanced Surface Fluid Logging and Downhole Tools in Difficult Geological Settings, #41816...

Rigsite Geological Interpretation of a Deepwater Horizontal Well

Tom S. Schroeder , Michael F. Medeiros

GCAGS Transactions

... resistivity curves by using two frequencies (2 MHz and 400 kHz), two spacings between the transmitters and receivers (23 inches and 35 inches), and 2...

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

... (horizontal offset between source and receivers), z is the source-to-receiver depth interval (to the current receiver) and θ is the incidence angle from...

Abstract: Seismic Attenuation (Q) Estimation from VSP Data; #90211 (2015)

Chuandong (Richard) Xu and Robert Stewart

Search and Discovery.com

... VSP data (Tonn, 1991). For two receivers at depths d1 and d2: where A(ω) is the amplitude spectrum at different depths, and v1 and v2...

Real-Time Data = Proactive Field Decisions

Thomas Smith

GEO ExPro Magazine

... XPL A INED Real-Time Data = Field Proactive Decisions THOMAS SMITH Recent developments in permanent downhole monitoring provide accurate and stable...

Horizontal Wells in Environmental Geology

Milovan S. Beljin, George Losonsky

Environmental Geosciences (DEG)

.... Directional control for jetting and moling technologies is limited. Downhole transmitters and receivers are used for surveying the well location...

A New Cement and Casing Evaluation Tool – The CET

M. H. Jennings

Indonesian Petroleum Association

... azimuths of the casing with extremely fine vertical resolution. The transducers act as both transmitters and receivers for short bursts of acoustic...

Machine-learning based arrival-picking in continuous DAS recordings „ Application to the Utah FORGE EGS project

Nepomuk Boitz, William Tegtow, Serge Shapiro

International Meeting for Applied Geoscience and Energy (IMAGE)

... 3-component (3C) downhole geophones have been established in the industry for years, mainly for short-term monitoring, e.g. for hydraulic fracturing...

Getting more from microseismic data by asking less of it

David Rampton

International Meeting for Applied Geoscience and Energy (IMAGE)

... of events captured by these technologies is fewer than a standard downhole array. Standard processing of downhole data generally delivers fewer total...

Microseismic monitoring of an underground longwall mine using a modern lightweight nodal recording system

Tim Dean, James McGuiness, Andrej Bona

International Meeting for Applied Geoscience and Energy (IMAGE)

... costly. A recent trial (Luo and Duan, 2021) employed fibreoptic based distributed acoustic sensing (DAS) using fibres deployed both downhole...