A method of attenuating bubble effect based on frequency domain filter

Yifei Xiao, Jianguo Song

International Meeting for Applied Geoscience and Energy (IMAGE)

.... From the low-frequency (<15Hz) signal autocorrelation results, getting the period of the bubble effect and the ratio of the first bubble pulse...

Vaporchoc: Utilization of Steam as a New Seismic Source

P. Staron

Pacific Section of AAPG

... practice to shoot simul taneously several guns of different sizes. A particular bubble period is associated with each size of gun, so that when fired...

Abstract: Are We Chasing Tulips?

PESA Staff

Petroleum Exploration Society of Australia (PESA)

...Abstract: Are We Chasing Tulips? PESA Staff special focus Are We Chasing Tulips? W e have all w itne ssed a real• estate bubble, the stock market...

Bubble, Bubble, Tremors, and Trouble: The Bayou Corne Sinkhole in Assumption Parish, Louisiana

Search and Discovery.com

Development and Evaluation of Multiphase Closure Models used in the Simulation of Unconventional Wellbore Dynamics

Travis Mitchell, Bryce Hill, Mahshid Firouzi, Christopher Leonardi

Unconventional Resources Technology Conference (URTEC)

... URTEC-198239-MS Figure 4—Bubble profiles after 10t* iterations for select cases. For most of the test cases analysed, after this period...

Marine Seismic Sources: Part I: Air-Guns for Non Experts

Lasse Amundsen, Martin Landrø

GEO ExPro Magazine

... the equilibrium position and the cycle starts once again. The bubble continues to oscillate, with a period typically in the range of tens to hundreds...

Enhancing low frequencies in airgun arrays, analysis of various field tests

Susanne Rentsch, Edward Hager, Lauren Wing, Sebastian Holland

International Meeting for Applied Geoscience and Energy (IMAGE)

... with the bubble period increasing with the cube root of the joint Second International Meeting for Applied Geoscience & Energy 10.1190/image2022-3745670.1...

Subsurface imaging with near field hydrophone data of OBN acquisition

Lei Runchen, Chen Haolin, Xu Zhaohong, Wei Xiubo, Liu Zhao, Luo Minxue

International Meeting for Applied Geoscience and Energy (IMAGE)

..., bubble period detection, etc. By aligning the near-field waves, anomalies can be quickly identified. Once anomalies are located, appropriate...

Storage of Gas in Water Sands

Douglas Ball , Peter Geddes Burnett

AAPG Special Volumes

... of grav ty the gas tends to float as a bubble on top of the water at the highest point of the trap. The cap rock prevents escape of the gas upward...

Broadband Seismic Technology and Beyond: Part VI: Towards a Ghost-Free Solution

Lasse Amundsen, Martin Landrø, Eivind Frømyr

GEO ExPro Magazine

.... The Rayleigh-Willis approximation describes the bubble period in terms of the factors above and in addition as being inversely related to hydrostatic...

Marine Seismic Sources: Part VII: Fish are Big Talkers

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

.... The most important of these grounds are in Lofoten and Vesterålen. Herring-made Bubble Screens The sound production of Pacific and Atlantic herring...

Investigating the Effect of Salinity on Counter-Current Two-Phase Flow Regimes in Annuli

Benjamin Wu, Mahshid Firouzi, Ayrton S. Ribeiro, Thomas E. Rufford, Brian Towler

Unconventional Resources Technology Conference (URTEC)

...-current bubble and slug flow regimes in an annulus. Time-averaged void fractions were then calculated by averaging over our 30 s sampling period. A sampling...

Observed Gas-Oil Ratio Trends in Liquids Rich Shale Reservoirs

Yogashri Pradhan

Unconventional Resources Technology Conference (URTEC)

... is above bubble point. It must be noted that a stable GOR is selected after a variable clean up period for the well due to flowing back fracturing fluid...

Understanding the 'Frac-Hits' Impact on a Midland Basin Tight-Oil Well Production

Hao Sun, Dengen Zhou, Adwait Chawathé, Baosheng Liang

Unconventional Resources Technology Conference (URTEC)

... on producing pressure of the impacted wells. ‘Frac-hits’ below the bubble point pressures could have long-lasting adverse effects on oil production...

Abstract: A Brief History of Sequence Stratigraphy; #90225 (2015)

Ashton F. Embry

Search and Discovery.com

... period from 1788 when James Hutton first recognized unconformities to 1949 when Larry Sloss used unconformities to define the boundaries of a sequence...

Squaw Canyon (Oil), T. 38 S., R. 26 E., SLPM, San Juan County, Utah

Duane H. Buckner

Four Corners Geological Society

..., heavies 2.13, CO2 0.05, N2 1.38 Oil Characteristics and Analysis: Upper Ismay; 44.3° API gravity, solution gas-oil ratio 730 cu ft/bbl, bubble point...

Abstract: Bubble Characteristics in Gassy Aqueous Sediments, by T. H. Orsi and A. L. Anderson; #90983 (1994).

Search and Discovery.com

Abstract: Thirty-five years of exploration wells lookback in Brunei

Donald Sim, Zulkifli Ahmad

Southeast Asia Petroleum Exploration Society (SEAPEX)

... wells were drilled between the period from 1990 to 2025 within BSP’s exploration acreage. On most years, there are usually two to three exploration wells...

Comparative Analysis of Two Multiphase Flowing Material Balance Calculation Methods in Predicting Reservoir Drainage Areas

Ekaterina Stalgorova, Jesse Prefontaine

Unconventional Resources Technology Conference (URTEC)

...-FMB M-FMB -7.5% -73% -1.4% -78% -37% -39% 23 URTeC 4208050 Note that the well is mostly operating below the bubble point, but there is a small pe...

Numerically Enhanced RTA Workflow - Improving Estimation of Both Linear Flow Parameter and Hydrocarbons in Place

Braden Bowie, James Ewert

Unconventional Resources Technology Conference (URTEC)

... can change substantially, particularly for oil at bubble-point (saturation) pressure. Figure 2 - Changes in Compressibility and Viscosity for Sample...

Abstract: Integrating Geology and Waterflood Responses; #90225 (2015)

Kristina Hoffmann, Leon Fedenczuk, and Tom Fedenczuk

Search and Discovery.com

... Responses Kristina Hoffmann*, Leon Fedenczuk, and Tom Fedenczuk, Gambit Consulting Ltd. [email protected] Bubble and contour maps...

Critical Role of Rock and Fluid - Impact on Reservoir Performance on Unconventional Shale Reservoirs

N. R. Nagarajan, M. M. Honarpour, F. Arasteh

Unconventional Resources Technology Conference (URTEC)

... the bulk bubble point. In conventional reservoirs, there will be slight drop in GOR for a short period when the reservoir goes below bubble point and until...

Marine Seismic Sources: Part XII: Sound in the Sea

Martin Landrø, Lasse Amundsen

GEO ExPro Magazine

.... The period between the two world wars was a time of increased discovery about underwater acoustics. Scientists were beginning to understand...

Producing Gas-Oil Ratio Behavior of Unconventional Volatile-Oil Reservoirs, and Its Application in Production Diagnostics and Decline Curve Analysis

M. Khoshghadam, A. Khanal, C. Yu, N. Rabinejadganji, W. John Lee

Unconventional Resources Technology Conference (URTEC)

... gas-oil ratio (GOR) at pressure below the bubble point, a behavior that is quite different from that in conventional reservoirs. The primary purpose...

The Critical Role of Rock and Fluid in Unconventional Shale Reservoir Performance

N.R. Nagarajan, M.M. Honarpour, F. Arasteh

Unconventional Resources Technology Conference (URTEC)

... and surface forces. In conventional reservoirs, there will be a slight drop in GOR for a short period when the reservoir goes below bubble point...