-
Chapter and Conference Paper
Seismic Fracture Characterization by QVOA Analysis Using Simulated Seismic Data by Physical Modeling
Vertical fractures cause azimuthal anisotropy in the wave-energy attenuation. To predict the fractures’ azimuth from seismic data, we develop a method of analysis of azimuthal variations in the attenuation. It...
-
Chapter and Conference Paper
Numerical Modeling of Particle Bridging in a T-Shaped Fracture with the Resolved CFD–DEM Coupling
Particle bridging is ubiquitous in many fields of oil and gas field development engineering, such as fracture plugging for lost circulation control and proppant bridging as well as temporary plugging agent bri...
-
Chapter and Conference Paper
Design and Experiment of Turbine Generator Applied to Gas Drilling
With the maturity of electromagnetic wave transmission measurement while drilling technology, em wave transmission tools have been applied to the measurement and control of gas drilling well trajectory. Howeve...
-
Chapter and Conference Paper
The Productivity Equation for Slanted Wells in Tight Water-Bearing Gas Reservoirs Considers Multiple Factors
As a highly potential unconventional natural gas resource, accurately evaluating the production capacity of tight sandstone gas reservoirs is of great significance for their development. This article takes inc...
-
Chapter and Conference Paper
Intelligent Evaluation Method of Cement Bond Quality Based on Convolutional Neural Network
The quality of cement bond is related to the safety of oil and gas well production and the service life of casing. At present, acoustic variable density logging (VDL) is the most widely used method for evaluat...
-
Chapter and Conference Paper
Research and Application of the CO2 Dry Fracturing Technology
CO2 dry fracturing technology utilizes waterless and harmless liquid CO2 as sand-carrying fracturing fluid. Conventional water-based fracturing fluid causes major damage to reservoirs due to intrusion of large am...
-
Chapter and Conference Paper
Design and Application of High-Performance Logging Numerical Simulation Platform LogSIP2.0
In order to increase the innovation of basic theoretical methods of logging, the optimization design of logging instrument parameters, and the innovative R&D mode of numerical simulation logging, LogSIP2.0 is ...
-
Chapter and Conference Paper
Calibration Technology and Application of Mud Logging Sensors Based on Artificial Intelligence
Mud logging serves as the “eyes” of exploration and development, acting as a counselor for drilling safety, the center of information transmission, and holding the first-hand data on oil and gas exploration an...
-
Chapter and Conference Paper
Study on Displacement Gas Invasion Law During Horizontal Well Drilling in Fractured Gas Reservoir
When gravity displacement gas invasion occurs in fractured reservoirs, it is easy to cause blowout accidents if not handled properly. Based on ANSYS software, a model of horizontal well intersecting vertical f...
-
Chapter and Conference Paper
Application of the Refraction and Reflection Joint Tomography in the Pre-stack Depth Migration Velocity Modeling Under the Complex Near-Surface Condition
The near-surface situation of Sichuan Basin is very complicated, and the elevation difference is large. Even in the flat area of central Sichuan, the elevation difference reaches hundreds of meters, and the ve...
-
Chapter and Conference Paper
Research and Application of Intelligent Fault Detection Method Based on Multi-scale Fusion and Enhancement
Fault is one of the key elements in the exploration and development of oil and gas reservoirs. The accurate prediction of faults is related to the accurate evaluation of oil and gas migration, reservoir predic...
-
Chapter and Conference Paper
Irreducible Water Saturation Determination and Fluid Identification Methods in Carbonate Reservoirs: A Middle Eastern Case Study
In the H oilfield, there are many technical challenges in the effective fluid identifications of carbonate reservoirs with complex pore structures and diversified reservoir spaces when water flooding problems ...
-
Chapter and Conference Paper
An Attention-Based Temporal and Spatial Convolution Recursive Neural Network for Surrogate Modeling of the Production Curve Prediction
Reservoir numerical simulation is a time-consuming and expensive procedure, especially for production optimization and history matching, which requires multiple calls to the reservoir numerical simulator. The ...
-
Chapter and Conference Paper
The Research on Novel Fracturing Sliding Sleeve Using High-Strength Dissolvable Ball Seat
Massive hydraulic fracturing in horizontal wells plays significant role in high-efficient recovery of unconventional oil and gas reservoirs. Besides Plug & Perforation (PnP) process, Packer & Sleeve (PnS) mult...
-
Chapter and Conference Paper
Study of Spatial Feature Extraction Methods for Surrogate Models of Numerical Reservoir Simulation
Numerical reservoir simulation is an important technology in reservoir production development, but the computational consumption of numerical simulation is a key factor affecting reservoir history matching, pr...
-
Chapter and Conference Paper
Selection and Optimization of Floating Casing Technology in Field Application
Since horizontal wells and large displacement wells arose, it is crucial that the casing can be safely tripped to the target depth. Floating casing technology is one of the most effective methods to guarantee ...
-
Chapter and Conference Paper
Comprehensive Management and Application for Big Data of Pre-stack Seismic Data
As the revitalization and development of Daqing oilfield has entered a new stage, new requirements have been put forward for the large-scale processing of massive seismic data, and the seismic data processing ...
-
Chapter and Conference Paper
A New Insight into Comprehensive Treatment of Particle Migration Damage in Offshore Loose Sandstone Oilfield
Particle migration damage is widely common in offshore loose sandstone oilfield. And, the conventional acidification is used to remove the particle migration damage. However, it can decrease the cementation st...
-
Chapter and Conference Paper
Development and Application of Real-Time Monitoring System for Fracturing and Acidizing Flowback Fluid
Fracturing and acidification are widely used as stimulation methods in conventional and unconventional fields. After the fracturing fluid or acid enters the formation, the fracturing fluid or acid enters the f...
-
Chapter and Conference Paper
Research of CO2 Huff and Puff Technology Applied to Horizontal Well Energy Replenishment in Tight Oil Reservoirs of A Area
The proven unused and controlled reserves of tight oil blocks are huge, however, under the elastic development of horizontal wells in tight oil reservoirs, there are many problems such as rapid production decl...