The identification of low-rate leaks along with low annular-pressure buildup rates in any type of completion presents challenges in the well-integrity domain. This paper emphasizes the importance of understanding the well-diagnostic problem to…
The principal indicators for drilling performance have traditionally been measures of time. For instance, time vs. depth and ROP serve as instant KPIs that are easy to measure and have obvious implications. Other potential performance parameters,…
The identification of low-rate leaks along with low annular-pressure buildup rates in any type of completion presents challenges in the well-integrity domain. This paper emphasizes the importance of understanding the well-diagnostic problem to…
Leak identification across well completions is a crucial operation in the oil and gas industry. A failureof well barriers can result in uncontrolled release of hydrocarbons and pose major risks to personneland environment. Downhole gauges are widely…
Subsea completions offer a number of advantages, but intervention operations can be complex and expensive. A horizontally completed multilateral well exhibited unexpected sand production and a tubing leak leading to the well being shut in. This paper…
The casing corrosion problem in Changqing Oil Region has long troubled oilfield development which caused a serious loss of production capacity. For a large number of corroded perforated wells, the accurate identification of the water outlet has…
The principal indicators for drilling performance have traditionally been measures of time. For instance, time vs. depth and ROP serve as instant KPIs that are easy to measure and have obvious implications. Other potential performance parameters,…
Using fiber-optic coiled tubing (CT) to perform distributive temperature sensing (DTS) and distributed acoustic sensing (DAS) logging to identify multiple points of leak detection is discussed using a case study. The case study provides an in-depth…
Natural gas hydrate (NGH) is a potentially green energy resource for the future. Five trial production experiments of marine NGH have been carried out worldwide. However, the currently widely used drilling method has poor economic applicability, and…
A Janus membrane/mesh is a type of functional membrane/mesh composed of opposing wetting properties formed into a single layer in order to achieve novel properties. Janus membranes/meshes have attracted increasing attention from materials scientists…
The article considers methodical approaches to the estimation of the economic efficiency of design solutions when installing a compressor station taking into account the risk component taken into account at the stage of development of design…
The biomaterials have gained the attention for utilization as sustainable alternatives for petroleum-derived products due to the rapid depletion of petroleum resources and environmental issues. Chitosan is an economical, renewable and abundant…
The main scientific an practical results in the field of creating petroleum products supply facilities of a new generation based on the modified polymeric materials are presented. The technical requirements, evaluation methods, techniques and…
The electrically enhanced oil recovery (EEOR) method takes advantage of electrokinetic phenomena. One of the hypothesized underlying mechanisms involved in this method is the reduction of crude oil viscosity due to an applied electrical field and…
As an important strategic resource, petroleum has an important significance in real-time analysis and detection of its components in the petrochemical industry. With the continuous development of petroleum resources, in the production process of…
The production of crude oil has three stages: formation drive, wellbore lifting, and pipeline transportation. This paper summarizes the application effects of flow improvers within several long-distance pipelines in China. The effects of oil- and…
Separating produced water is a key part of production processing for most crude oils. It is required for quality reasons, and to avoid unnecessary transportation costs and prevent pipework corrosion rates caused by soluble salts present in the water.…
Carbon capture and storage is considered as an amelioration technique to address the increasing level of carbon dioxide in the atmosphere. Depleted oil and gas reservoirs are potential candidates for the long sequestration of the captured carbon…
Understanding CO2-induced micro-structural changes at the imperfections in wellbore cement is vital for assessing the risk of CO2 leakage through wellbore cement under geologic CO2 storage (GCS) conditions. To investigate the evolution of a flow…
Production or injection of fluids from/in an underground storage site causes variations of pore pressure and stress states. These fluctuations significantly affect implications for hydraulic fracturing, wellbore integrity, top surface subsidence and…
Superamphiphobic materials are helping with urgent issues due to increasing industrial oil transportation, as well as common oil pollution, which has triggered large interest owing to their high application value and practicability. However, they are…
NMR spectroscopy continues to be a useful tool to characterize heavy petroleum fractions. Over the last few years, advancements in three techniques have opened new avenues to characterize heavy petroleum fractions and catalysts and dramatically…
Investigation on the use of diamondoids to assess the extent of thermal maturity, depositional environment, and origin of Niger Delta source rocks was carried out. This was done to evaluate the significant of diamondoids in petroleum exploration in…
Geological storage of CO2 in saline aquifers and depleted oil and gas reservoirs can help mitigate CO2 emissions. However, CO2 leakage over a long storage period represents a potential concern. Therefore, it is critical to establish a good…
The storage of natural gas in geological structures such as depleted fields, aquifers and salt caverns plays an important role in a gas supply system as it balances the fluctuation of gas demand and price. Hydraulic loss due to fluid flow through gas…
With the rapid development of the global economy and the adjustment of energy structure, the demand for underground salt cavern gas storage is particularly urgent. The technology of double-well cavity creation with small well spacing is a relatively…
Lithium-ion capacitors (LICs) with the capability of high energy and high power are considered to be attractive for advanced energy storage applications. However, the design and fabrication of suitable electrode materials with desirable properties by…
Wellbore storage (WBS) occurs due to fluid loading/unloading in the wellbore, when a well starts production or is shut-in. This phenomenon creates variable sandface rate and time lag between the surface production rate and the stable sandface rate.…
Underground natural gas storage is a cyclical technique that consists in the use of geological structures, such as depleted oil and gas reservoirs, aquifers, and salt domes, to store gas for future consumption as per demand. Although, underground gas…
Polymer film capacitors are widely used in engineering fields due to the advantages of high power density, high safety and good insulation and so on. In recent years, with the increasing demand of high temperature energy storage of dielectric thin…
Scope: This document defines the methods for the generation and testing of foamed cement slurries and their corresponding unfoamed base cement slurries at atmospheric pressure. These methods are developed for foamed cement slurries with air, at…
In the process of global transition to a sustainable low-carbon economy, the two major low-carbon energy technologies, namely, methane (CH4) storage and methane capture face the same challenge, that is, the lack of efficient adsorbents. Metal-organic…
The main scientific an practical results in the field of creating petroleum products supply facilities of a new generation based on the modified polymeric materials are presented. The technical requirements, evaluation methods, techniques and…
Improving predictive models for noble gas transport through natural materials at the field-scale is an essential component of improving US nuclear monitoring capabilities. Several field-scale experiments with a gas transport component have been…
In this paper, the standardization of natural gas composition analysis by Laser Raman Spectroscopy was studied, and the feasibility of Standardization was discussed. When using Laser Raman spectroscopy, multiple components can be measured…
The main objective of this study is to develop nanotechnology-based materials, specifically carbon quantum dots (CQDs), as alternative nonpolluting, nontoxic, and easily manipulated tracers for the oil industry using an easy and rapid synthesis from…
Polymethyl methacrylate (PMMA, organic glass) is widely used as a substitute for glass, known as organic glass. During the processing and after use, there are amount of castoff. Based on the similar framework, PMMA could be useful the feed stock to…
In the process of heavy oil development, steam stimulation is usually used. In steam stimulation, the oil field is produced by depleted development after the end of shut in well. The magnitude of reservoir compressive coefficient is significant for…
Any efficient exploitation of new petroleum reservoirs necessitates developing methods to mobilize the crude oils from such reservoirs. Here silicon dioxide nanoparticles (SiO2 NPs) were used to improve the efficiency of the chemical-enhanced oil…
The article notes that at present the competition in the global hydrocarbon market has intensified significantly. This is due to the complication of mining and geological conditions of occurrence of oil and gas layers, depletion of reserves in…
The current global economic trends of low commodity prices for hydrocarbons, competition due to the emergence ofshaleoil andgas, as well as the decline in production from mature oilfields in Trinidad and Tobago (TT) have fuelled the need for the…
The use of foam drainage gas production in natural gas wells can quickly recover the accumulated water in the wellbore, reduce the bottom hole pressure, and increase the production of gas wells.Due to the poor stability of the foam in the wellbore,…
We present a tool for modeling the performance of methane leak detection and repair programs that can be used to evaluate the effectiveness of detection technologies and proposed mitigation policies. The tool uses a two-state Markov model to simulate…
A new geothermal energy-assisted natural gas hydrate recovery method (GEAN) that can simultaneously exploit geothermal energy and natural gas hydrates (NGHs) by injecting water into a geothermal heat exchange well was proposed in this paper. GEAN…
Inventory verification is one of vital tasks in underground gas storage (UGS) management process. For one reason, it is possible to know exactly how much natural gas is actually in the gas storage and ensure that it can be produced and supplied to…
The prevention and control of natural gas hydrate (hereinafter, "hydrate" for short) blockage during deepwater gas well production tests is very important in ensuring the test safety. In this paper, the distribution of wellbore temperature and…
Deepwater oil and gas exploitation has become an important field in the petroleum industry development. However, there are still no mature methods for hydrate prevention in the deepwater wells cleanup stage, and the excessive use of inhibitors has…
As a new unconventional clean energy, natural gas hydrate has attracted attention in recent years. In marine natural gas hydrate reservoir drilling, hydrate cuttings will return upward in annulus. In this process, hydrate cuttings will decompose…
The deepwater drilling and cementing techniques achieved significant development in recent years. However, the engineering response mechanism of natural gas hydrate sediment (NGHS) during drilling and cementing process is far from clear, which…