Texas Basement Rocks: A Progress Report

Peter T. Flawn

AAPG Bulletin

... and igneous rocks. Cataclastically altered rocks are developed (1) in a linear zone in southwestern Roosevelt County, New Mexico, (2) along the eastern...

Assessment of the Lahendong Geothermal Field, North Sulawesi, Indonesia

S. Surachman, S. A. Tandirerung, T. Buntaran, D. Robert

Indonesian Petroleum Association

... of two water dominated reservoirs separated by a silicified zone. The upper reservoir, has an area of about 5 square kilometres and is situated between...

Monitoring fluid migration pathways from passive source seismic anisotropy analysis: A case study in Kīlauea volcano

Qichao Zhao, Kelly H. Liu, Stephen S. Gao

International Meeting for Applied Geoscience and Energy (IMAGE)

..., magmatic fluid broken through the fault zone and invaded the east rift zone. This study substantiates the feasibility of using shear wave splitting...

Paleogeographic Development of South America

Horacio J. Harrington

AAPG Bulletin

... in Early Paleozoic time the basins were repeatedly invaded by the sea, in Late Paleozoic time they were the site of continental accumulation alternating...

Vertical Seismic Profiling in Hydrocarbon Exploration and Reservoir Development

Bob A. Hardage

Circum Pacific Council Publications

... conditions around an observation well than can surfacerecorded seismic data. This improved resolution occurs because the first order Fresnel zone...

A. Factors Affecting Spontaneous Potential and Resistivity

New Orleans Geological Society

... - medium depth of investigation, symmetrical curve, approaches true resistivity in thick, moderately invaded sands. 18' 8" Lateral - deep...

Integrated Analysis of The-Low Resistivity Hydrocarbon Reservoir in the SŽ Field

Rizky Teddy Audinno, Ikhsansyah Putra Pratama, Andry Halim, Didit Putra Kusuma

Indonesian Petroleum Association

... zones. Caving is caused by mud filtrate (water) filling into the invaded zone (shaly sand reservoir) making shale swelling and the particle bond...

Imaging Technology Offers Enhanced Interpretation of Teapot Dome Reservoirs

Mark Milliken, Randy Koepsell

Wyoming Geological Association

... at 1102′. There were no other fractures deeper than 1102′. Imaging logs show a conductive (open) fracture zone beginning at a depth of 1086 feet...

Core Analysis in the Lower Cretaceous Formations

R. E. Jenkins , R. C. Wilshusen

GCAGS Transactions

... is pulled to the surface, the expanding gas removes most of the invaded fluid and reduces the oil content of the core. Therefore, the fluids contained...

Geology of the Northgate Fluorspar District, Colorado

Thomas A. Steven

Wyoming Geological Association

..., but apparently still within the same general period of metamorphism, the rocks were invaded by silica- and alkali-bearing solutions that attacked...

Geosteering through Challenging Fractured Limestone Reservoir Becomes Achievable Utilizing High Definition Multi-Layer Boundary Mapping Technology … Case Study from a Deep Gas Reservoir; #41828 (2016)

Saad A. Al-Ajmi, Chinmaya Pattnaik, Ahmed E. Al-Dawood, Qasem Dashti, Abdul Aziz H. Al-Failakawi, Sandeep Chakravorty, Chandan J. Keot, Khaled M. El-Derini

Search and Discovery.com

... fractured zone (Figure 6). Mapping interlayers along with information on longitudinal dips helped immensely to optimize trajectory inclination and spatially...

Fracture Detection in the Salawati Basin of Irian Jaya

P. J. Cockcroft, D. A. Gamber, H. M. Hermawan

Indonesian Petroleum Association

... of Irian Jaya, Indonesia (Fig. 1). The basin is bounded on the north by the Sorong fault and to the south-west by the Ceram Subduction Zone. The basin...

Black Cove and Black Point: Traversing from the Shelf Succession to the Humber Arm Allochthon

Peter Wallace

Atlantic Geoscience Society Special Publications

... as the conti­ nental margin approached a subduction zone which lay to the east (in present-day coordinates). However, the disconformity also...

Identifying Spikes in Sonic Slowness and in Resistivity in the Tuscaloosa Marine Shale Using Continuous Wavelet Transform

Carol Wicks, Samiha Naseem

GCAGS Journal

... standard deep resistivity logs are technically influenced by the invaded zone, they are widely used as a proxy for true formation resistivity. High...

Application of Sonic Waveform Attributes in Reservoir Studies

R. Gir

Geological Society of Malaysia (GSM)

..., fluid invasion in a gas zone, and borehole geometry. Formation Lithology In hard rocks, the compressional head wave is. weak and the shear/modes can...

Petrography and Diagenesis of the Hosston Sandstone Reservoirs at Bassfield, Jefferson Davis County, Mississippi

Alan Thomson

GCAGS Transactions

... diagenesis. The upper, tighter parts of the sandstone bodies were not invaded by oil and cementation and compaction proceeded to near completion here. Bottom...

Sonic Logging in South Texas

W. P. Biggs

GCAGS Transactions

...; there are, however, several conditions where the first arrival is of insufficient energy to be detected. One of these conditions occurs when the zone...

Sedimentary Features of the Crossfield Member

R. G. Metherell, L. E. Workman

CSPG Bulletin

... is a gas-producing zone in the middle of the Stettler Formation of Upper Devonian age. It averages about 100 ft in thickness and is recognized in a north...

A Heuristic Method for Reserve Analysis in the Greater Natural Buttes Producing Area, Uinta Basin, Utah

Logan MacMillan

Utah Geological Association

... characterists. Due to heavy invasion of the drilling fluid, resistivity values can be misleading: reading the resisitivity of the invaded zone instead...

The Andes of Western Argentina

A. Herrero-Ducloux

AAPG Special Volumes

... mountain belt (a) the western zone, consisting of crystalline schists and granite masses with a discontinuous cover of marine Tertiary, which...

Carbonate Facies in Ordovician of Northern Arkansas

Leonard M. Young , Linda C. Fiddler , Rex W. Jones

AAPG Bulletin

... of the shelf below wave base (Irwin's zone X), sediments accumulate undisturbed by most oceanic waves and currents. Shoreward, in a relatively narrow zone...

Lithology Crossplots: Applications in an Evaporite Basin–The Maverick Basin of Southwest Texas

J. V. Crues, Jr.

Bulletin of South Texas Geological Society

... zone will be invaded ahead of the bit as it is drilled and the gas will be flushed back into the formation. A tight zone retains the gas. Then, when...

Lithology Crossplots: Applications in an Evaporite Basin—The Maverick Basin of Southwest Texas

John V. Crues, Jr.

South Texas Geological Society Special Publications

... by the fact that a good porous and permeable zone will be invaded ahead of the bit as it is drilled and the gas will be flushed back into the formation...

Manganese Deposits of the Little Grand District in Southeastern Utah

Frank O. Bowman Jr.

Four Corners Geological Society

.... Location of Deposits All but a few of the manganese deposits are within a narrow zone of outcrops of the Morrison and underlying Summerville formations...

The New Petroleum Geology

Dr. Sylvain J. Pirson

Bulletin of South Texas Geological Society

... normalized SP in mV Ro is formation resistivity at 100% formations water saturation Rxo is the mud filtrate invaded reservoir rock at the level...