Abstract: DREAM™ - Drilling and Real Time Migration: A New Method for the Geophysical Monitoring of Wells

Luca Bertelli, Luca Savini, and Luca Aleotti

Houston Geological Society Bulletin

... depth seismic image is continually updated, integrating the new well velocity information on the initial model, the seismic image becomes more and more...

New Velocity Model Building Techniques to Reduce Sub-Salt Exploration Risk

Stephan Petmecky, Martin L. Albertin, and Nick L. Burke

Search and Discovery.com

...? Not necessarily, however, the fact that this well was a discovery and that the basin model derived velocities are much closer to the well velocity...

Recent Advances in Borehole Seismic

W. L. Nutt

Indonesian Petroleum Association

... purpose of a velocity survey is to obtain the transit time from surface to subsurface locations, thus providing an essential time to depth correlation...

A new system for efficiently acquiring vertical seismic profile surveys

Tim Dean, Nghia Nguyen, Brenton Armitage, Huw Rossiter

Petroleum Exploration Society of Australia (PESA)

... is the interval velocity (the velocity of that layer encompassed by the two positions). As well as velocity information, VSP data can also be processed further...

North Knox City Field, Knox County, Texas: Case Histories

J. C. Harwell, W. R. Rector

AAPG Special Volumes

... map (Fig. 7) is attributed to the high-velocity carbonate buildup. The first well-velocity End_Page 456------------------------ Fig. 7. Seismic...

Velocity Anomalies and Out-of-Plane Reflections in Barnicarndy 1, Canning Basin

Y. Zhan

Australian Petroleum Production & Exploration Association (APPEA) Journal

... https://doi.org/10.1071/AJ20082 Velocity anomalies and out-of-plane reflections in Barnicarndy 1, Canning Basin Y. Zhan Geological Survey of Western...

Role of Reflection Seismic in Development of Nembe Creek Field, Nigeria

P. H. H. Nelson

AAPG Special Volumes

..., however, by the well velocity survey results from well 20, which produced a sub-parallel time-depth curve of about 70 msec two-way time slower than...

Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

..., and going on to the well ties for the different available wells over the 3D seismic survey, estimation of the shear curves where the measured shear...

Velocity Logging and Its Geological and Geophysical Applications

H. R. Breck, S. W. Schoellhorn, R. B. Baum

AAPG Bulletin

... by well geophone data alone, and are rapidly replacing the conventional well velocity survey. Other geophysical applications include seismic reflection...

New Aspects of Quantitative Interpretation of Velocity Data and Their Impact on Geologic Evaluation of Exploration Prospects: ABSTRACT

Werner J. Jankowsky

AAPG Bulletin

... studied in basins where numerous well-velocity data were available (e.g., NW German basin). Seismic velocity data, collected through advanced modern...

ABSTRACT: Accurate Depth Conversions Reduce Risk, by L. C. Luton and C. Prieto; #90908 (2000)

Search and Discovery.com

ABSTRACT: Petrophysical Study on UAE Carbonates, by Bhagat, Anita; Sondergeld, Carl ; Rai, Chandra S.; #90142 (2012)

Search and Discovery.com

Depositional Framework and Major Lithostratigraphic Variations of the Barrow Group

S. C. Eriyagama, L. B. Collins, R. M. Hocking

Petroleum Exploration Society of Australia (PESA)

... using average velocity maps constructed from well velocity surveys, and an isopach map of the Total Barrow Group over the area south of Barrow Island...

Abstract: Transmission Imaging: Moving Source Offset VSP (MSOVSP) Case Study; #90172 (2014)

Emmanuel Bongajum, Bernd Milkereit, Douglas Schmitt

Search and Discovery.com

... in Ghana is the largest young (~1.07 Myr) and well preserved crater in the world. The impact structure is covered by an 8km diameter Lake Bosumtwi...

High Resolution Passive Seismic Tomography- a NEW Exploration Tool for Hydrocarbon Investigation, Recent Results from a Successful Case History in Albania, #40729 (2011)

Nikos Martakis, Akis Tselentis, Parakevas Paraskevopoulos

Search and Discovery.com

... dolomites (e) and Jurassic carbonates (f) layers correlate very well by the velocity section from PST. This correlation is presented as an additional...

Predicting Hydraulically Induced Fractures Using Acoustic Impedance Inversion Volumes: A Barnett Shale Formation Example; #40829 (2011)

Xavier E. Refunjol, Joel H. Le Calvez, and Kurt J. Marfurt

Search and Discovery.com

... Background Hydraulic Stimulation and Microseismicity Treatment Well Monitor Well Velocity survey Acoustic event of known depth for geophone...

Seismic Velocity Model Building in an Area of Complex Geology, Southern Alberta, Canada

Helen Isaac and Don Lawton

Search and Discovery.com

... the refraction statics analysis corresponds well with the mapped surface exposure of high velocity Palaeozoic carbonates and lower velocity Cretaceous clastics...

South LHO Sukon-D1 Discovery, North Sumatra

M. A. Maliki, Soenarnyoto Soenarwi

Indonesian Petroleum Association

... survey and new well program in the future. Stratigraphy is fairly consistent throughout the "B" Block as verified by a large number of wells (Figure 2...

Delineation of Gas Sands by Seismic Stratigraphy in the Pericocal Area, Orinoco Heavy Oil Belt, Venezuela: Section IV. Exploration Methods

J. Licheri, N. Parra

AAPG Special Volumes

... lead to new gas discoveries. Fig. 25. Well SDZ-79X. T-D graph from checkshot velocity survey. Table 3. Well SDZ-79X. Comparison of well velocity survey...

Structure Interpretation Problems of a Lower Miocene Reef Associated with a Shallow Low Velocity Anomaly, North Sumatra

Peter Walker, Masrizal Maas, Michael D. Burnaman

Indonesian Petroleum Association

...(s) was successfully qualified but not quantified by a long offset velocity survey recorded in the Peusangan-B1 well. However, results of the latest...

Seismograph Interpretation as Related to Changes in Sedimentary Section in West Texas and New Mexico

John Daly , C. N. Page

AAPG Bulletin

.... The writers undertook a study of regional velocity conditions in the Permian basin of West Texas and New Mexico, based on about 50 well velocity surveys...

Peusangan–C1 Reef Interpretation with Top Reef Transparent to Seismic

L. B. Hinton, W. S. Atmadja, Suryo Suwito P.

Indonesian Petroleum Association

... in 1979 and 1983 along with a shallow water survey during 1985. The first well to test the Western High was the Peusangan-C1 drilled on the XF...

Formation of Very Thick Permian Coal Seams, Cooper Basin, Australia

Elena Alganaeva, Greg Smith

Petroleum Exploration Society of Australia (PESA)

... using the well velocity data though most wells do not have checkshot surveys. A structural model was made using the faults, horizons and wells. The main...

Abstract: The Application of Extreme Attributes of PS Converted Wave; #90171 (2013)

Xiucheng. Wei, Xiang-Yang Li, Tiansheng Chen, and Lihua Jia

Search and Discovery.com

...). For layer N, the inverted average velocity ratio is 1.8355 compared to the well log value of 1.85. For layer D, the inverted average velocity ratio...

VSP: Lessons from Numerical Simulation

M. Suprajitno, S. A. Greenhalgh

Indonesian Petroleum Association

... a conventional well-velocity survey in that the total waveform is recorded and a very short geophone interval is used. Figure 1. The source-receiver...