A novel apparatus and method for lab-scale study of wellbore …

Therefore, in this study, a novel apparatus is presented for the construction of a lab-scale wellbore, with the purpose of simulating downhole processes while simultaneously monitoring wellbore elements of interest in real-time via x-ray computed tomography.The benefits of this novel setup for wellbore integrity are demonstrated via applications to two test cases: …

Recent Advances and Challenges of the Application of …

conducted wellbore temperature control while drilling and demonstrated that this method e ectively reduced the bottomhole temperature while using the geothermal energy of high- temperature wells.

Effects of water-based drilling fluid on properties of mud …

To investigate the effect of mud cake on wellbore stability, the testing method and describing function of mud cake properties were established. The composition of mud cake was characterized by SEM method. Based on the poroelastic theory, the wellbore stability model was developed by considering mud cake buildup.

Chapter 6 Quiz-Data Structure, Content and Governance of …

Study with Quizlet and memorize flashcards containing terms like Which of the following development methods incorporates test design in all the SDLC stages?, Which of the following development methods eliminates constructing artifacts such as DFDs and data models?, Which of the following would be the best development method to use for breaking down a complex …

Well drilling quiz 5 Flashcards | Quizlet

Study with Quizlet and memorize flashcards containing terms like _________- measure the way in which formations respond to an electrical current., The _________ is mounted on the topmost joint of casing hanging in the mast or when cementing, A geologist or trained technician who examines the returning drilling mud and cuttings is called a and more.

Integration of image recognition and expert system for real …

Wellbore stability is a key factor affecting safe and efficient drilling. At present, it is difficult to conduct real-time and accurate analysis of wellbore stability in related research. ... The caving image recognition proposes a new dynamic threshold segmentation method based on simple …

WO2004018823A2

a method of forming a wellbore casing within a borehole that traverses a subterranean formation includes assembling a tubular liner by coupling threaded portions of ...

Wellbore-Strengthening Technique for Drilling Operations

In response, several technologies referred to as "wellbore strengthening" (WS) are being developed to prevent or correct lost circulation. WS means that the breakdown pressure of the wellbore is greater after the treatment than before. These methods include use of special granular material, heating the wellbore, and use of rigid-plug-forming pills.

(PDF) Dynamic design method of wellbore …

the same time, the uncertain parameters in the existing wellbore structure design method are studied, and the design method is improved, so as to minimize the risk of well structure design.

Development of a Highly Elastic Composite Gel through …

In this paper, a simple method is proposed to obtain ultrahigh strength gel (USGel), which is called multistage reinforcement method (MRM) and implies the philosophy of noncompetitive crosslinking ...

Wellbore-Strengthening Technique for Drilling Operations

In response, several technologies referred to as "wellbore strengthening" (WS) are being developed to prevent or correct lost circulation. WS means that the breakdown pressure …

Potential on joint development of three-gas …

In this study, we described a new development concept termed "Three-gas Joint Development" (TJD), to elucidate the simultaneous exploitation of these three gas reservoirs. Based on the distribution of three-gas reservoirs, three different …

Joint exploration and development: A self-salvation road to …

Joint exploration and development means to conduct exploration and development together. Joint exploration includes the exploitation of multiple types of gases and gas in multiple strata in the same borehole and in different boreholes as well as joint exploitation of the same wellbore after reservoir perforation.

A new detection method of co-existence of well kick and …

Accurately obtaining wellbore-formation temperature distribution during drilling in fractured carbonate formations is the basis for effectively solving the problem of the well kick and loss circulation coexisting (WK-LC). Therefore, based on the energy conservation law and considering the convective heat transfer and variable mass flow caused by well kick and loss …

Semi‐analytical Method for Modeling Wellbore …

Semi-analytical Method for Modeling Wellbore Breakout Development Ngurah Beni Setiawan 1 · Robert W. Zimmerman 1 Received: 17 March 2021 / Accepted: 8 March 2022 / Published online: 7 May 2022 ...

Development of a wellbore heat transfer model …

encebetween the wellbore temperature distributionunderlost circulation and that under normal circulation. Therefore, wellbore heat transfer model under lost circulation needs researching. The research related to wellbore temperature prediction model has been conducted for many years. In a word, there are mainly two kinds of models: analytical ...

CN105098537B

A kind of horizontal wellbore logging cable butt joint device and onsite application method, belong to oilfield horizontal well logging technique field.A kind of horizontal wellbore logging cable butt joint device is made up of pin end assembly and joint assembly.During onsite application, pin end assembly is connected with tappet and logger, is preset at …

Simulation of wellbore pipe flow in oil production …

Hasan et al. [50] have done a lot of work on heat and mass transfer in steam injection wellbore, and analyzed the effects of wellbore inclination angle [51], two-phase flow parameters [52], wellbore parameters [53], and external boundary conditions [54] on the flow of thermal fluids [55], and explored the temperature [56] and pressure [57 ...

Research Status and Development Prospect of Wellbore …

This can be achieved by promoting the development of quantitative wellbore integrity risk assessment methods, developing supporting evaluation software based on big data, and by tackling the ...

A survey of the development of quadruped robots: Joint …

A survey of the development of quadruped robots: Joint configuration, dynamic locomotion control method and mobile manipulation approach Author links open overlay panel Hui Chai a b, Yibin Li a b, Rui Song a b, Guoteng Zhang a b, Qin Zhang a b c, Song Liu a b, Jinmian Hou a b, Yaxian Xin a b, Ming Yuan a b, Guoxuan Zhang a b, Zhiyuan ...

Development of a Computational Fluid Dynamics Compositional Wellbore

Several analytical and numerical methods for modeling multiphase flows in wellbores have been proposed in recent years. ... In SPE Eastern Regional/AAPG Eastern Section Joint Meeting; Society of Petroleum Engineers, 2008. Shirdel M. Development of a coupled wellbore-reservoir compositional simulator for damage prediction and remediation. UT ...

Wellbore Strengthening for Addressing Lost Circulation in …

Wellbore strengthening refers to increasing the threshold of fracture (re)opening by enhancing the near-well hoop stress or increasing the resistance of fracture propagation. This …

Prediction of Wellbore Stability in Conglomerate Formation Using

Driven by the economic development and world's energy demand, the need for unconventional resource development is gradually growing [1][2][3][4][5][6][7][8], especially shale oil and gas and ...

The 1989 JOA: Horizontal Modifications and Other Crucial Updates

As we discussed in the last article pertaining to Oil and Gas Joint Operating Agreements, the JOA is one of the most commonly used instruments in the oil and gas industry today. A JOA provides the crucial foundation upon which multiple leasehold cotenants can cooperate in the joint exploration, development, and production of oil and gas properties.

Development of Stress Model near the Wellbore Using an …

The rock stress around the wellbore is a function of the wellbore pressure and temperature, and it should be precisely determined to avoid wellbore failure. This study aimed to develop a wellbore geomechanical model for WAG injection using an iterative coupling method.

Calculation process of wellbore collapse pressure

Wellbore instability is the primary technical problem that restricts the low-cost drilling of long-interval horizontal wells in the shale formation of the Jidong Oilfield.

A Field-Proven Wellbore Strengthening Method for Helping …

The development, testing, and application of wellbore stability modeling software that accurately characterizes fractures, determines the optimal lost circulation material (LCM) blend, and ...

of Liquid Loading Law and Liquid Loading Model in Gas …

Abstract: Gas well wellbore effusion is one of the important problems to be solved in the process of gas well development. When the problem of effusion is serious, it will lead to gas well ...

Research Status and Development Prospect of …

Summary. As the exploration and development of oil and gas move into increasingly challenging locations and harsher environments, well integrity becomes more difficult to maintain. High temperatures, pressures, and …

Development of a Highly Elastic Composite Gel through …

Effective mitigation of fluid loss and prevention of formation damage are substantial concerns during well completion and workover in low-pressure, high-permeability, and/or fractured reservoirs, especially with high temperature (HT). In this paper, a highly elastic composite gel is developed on the basis of the solution blending for "intercalated crosslinking." The mechanism …

Research Status and Development Prospect of Wellbore

Summary. As the exploration and development of oil and gas move into increasingly challenging locations and harsher environments, well integrity becomes more difficult to maintain. High temperatures, pressures, and corrosion can all contribute to wellbore integrity failure. Such failures can have significant financial and environmental consequences, including …

Ultrasonic detection tool finds leaks in wellbore tubulars

The properties of ultrasonic energy have been used for a number of years to detect leaks in surface equipment. Experience has shown that a leak generates an ultrasonic frequency or audible frequency, depending upon its rate, pressure drop and geometry.

Advances in well design and integrity: Areview of

Key findings include the importance of reservoir characterization in designing wells that optimize recovery rates. It also highlights the role of wellbore stability in ensuring long-term integrity and …

Dynamic design method of wellbore structure during …

In order to solve this problem, this paper proposes a new method of dynamic well bore structure optimization design based on LWD data, which makes full use of the advantages of LWD and …

Simulation-based three-dimensional model of wellbore …

The discrete element calculation method should be adopted as the most effective method in calculating the collapse pressure and break pressure of the wellbore. Factors that affect wellbore stability include the formation properties, stress fields, rock strength, distribution, strength of fractures, and drilling technology.

Chapter 7: Methods of strategic development

It looks at various types ofbusiness combinations. If the chosen method is to develop a strategythrough acquisition, then an organisation must consider corporateparenting and portfolio analysis. 2 Alternative development options. There are many ways in which a strategy can be developed. Some of the key methods are explored in this section ...

(PDF) The Development and Test of a Sensor for …

The Development and Test of a Sensor for Measurement of the Working Level of Gas-Liquid Two-Phase Flow in a Coalbed Methane Wellbore Annulus February 2018 Sensors 18(2)

Oil‐Based Drilling Fluid Plugging Method for …

Based on X-ray diffraction, electron microscope scanning, linear swelling experiment, and hot-rolling dispersion experiment, the physicochemical mechanism of wellbore instability in complex strata was revealed, and thus, …

US7424918B2

US7424918B2 US10/525,402 US52540205A US7424918B2 US 7424918 B2 US7424918 B2 US 7424918B2 US 52540205 A US52540205 A US 52540205A US 7424918 B2 US7424918 B2 US 7424918B2 Authority

Imaging near-wellbore petrophysical properties by joint inversion …

A method for determining properties of a formation traversed by a well or wellbore employs measured sonic data, resistivity data, and density data for an interval-of-interest within the well or ...