New Generation Nano Technology Drilling Fluids Application Associated to Geomechanic Best Practices: Field Trial Record in Bahia - Brazil

2018 ◽  
Author(s):  
A. L. Barroso ◽  
C. P. Marcelino ◽  
A. B. Leal ◽  
D. M. Odum ◽  
C. Lucena ◽  
...  
Keyword(s):  
Best Practices ◽  
Field Trial ◽  
Drilling Fluids ◽  
Nano Technology ◽  
New Generation ◽  
Trial Record

Single Trip Deployment of Multistage Completion Liners Through the Use of Interventionless Flotation Collars

2021 ◽  
pp. 1-8
Author(s):  
William Tait ◽  
Mohammed Munawar
Keyword(s):  
Best Practices ◽  
Applied Pressure ◽  
Drilling Fluids ◽  
Western Canada ◽  
Tempered Glass ◽  
Close Collaboration ◽  
Flow Area ◽  
Paper Detail ◽  
The Us ◽  
Liner System

Summary In difficult wellbores, the traditional method for deploying liners was to run drillpipe. The case studies discussed in this paper detail an alternative method to deploy liners in a single trip on the tieback string so the operator can reduce the overall costs of deployment. Previously, this was not often practical because the tieback string weight could not overcome the wellbore friction in horizontal applications. In each case, a flotation collar is required to ensure there is enough hookload for the deployment of the liner system. The flotation collars used are an interventionless design using a tempered glass barrier that shatters at a predetermined applied pressure. The glass debris is between 5 and 10 mm in diameter and can be easily circulated through the well without damaging downhole components. This is done commonly on a cemented liner and cemented monobore installations, but more rarely with openhole multistage completions. The authors of this paper have overseen thousands of cemented applications of this technology in Western Canada, the US onshore, Latin America, and the Middle East. For openhole multistage completions, the initial installation typically requires a ball drop activation tool at the bottom of the well to set the hydraulically activated equipment above. The effects of circulating the glass debris through one specific style of activation tool were investigated. Activation tools typically have a limited flow area and could prematurely close if the glass debris accumulates. Premature closing of the tool would leave drilling fluids in contact with the reservoir, potentially harming production. The testing was successfully completed, and the activation tool showed no signs of loading. This resulted in a full-scale trial in the field, where a 52-stage, openhole multistage fracturing liner was deployed using this technology. Through close collaboration with the operator, an acceptable procedure was established to safely circulate the glass debris and further limit the risk of prematurely closing the activation tool. This paper discusses the openhole and cemented multistage fracturing completion deployment challenges, laboratory testing, and field qualification trials for the single trip deployed system. It also highlights operational procedures and best practices when deploying the system in this fashion.

i2Flex and the Community of Inquiry Framework

2016 ◽  
pp. 115-129
Author(s):  
Antonia Fyrigou
Keyword(s):  
Best Practices ◽  
Student Learning ◽  
Community Of Inquiry ◽  
Teaching Methodology ◽  
Need To Evaluate ◽  
Community Of Inquiry Framework ◽  
French Class ◽  
New Generation ◽  
Unique Potential

In this chapter the goal is to describe my implementation of the i2Flex in two consecutive academic years in an attempt to meet more effectively the educational needs of the new generation students. Starting with the description of the i2Flex methodology in an IB French class as a member of the pilot i2Flex faculty at ACS Athens, I will present the instructional (re-)design of my Moodle shell to reflect the new teaching methodology, and the need to evaluate this pilot year via an appropriate framework. Then, I will describe the same class in the second year, from how i2Flex was at this point implemented to how it was evaluated and what data was collected from the students. Finally, the goal is to share under the umbrella of best practices how meaningful and efficient the i2Flex is, taking in consideration the new role of the teacher in and out of class and its unique potential for student learning.

Domain Walls

2020 ◽  
Author(s):  
Dennis Meier ◽  
Jan Seidel ◽  
Marty Gregg ◽  
Ramamoorthy Ramesh
Keyword(s):  
Data Storage ◽  
High Speed ◽  
Domain Walls ◽  
Active Role ◽  
Data Streaming ◽  
Oxide Interface ◽  
Nano Technology ◽  
New Type ◽  
Available Information ◽  
New Generation

Technological evolution and revolution are both driven by the discovery of new functionalities, new materials and the design of yet smaller, faster, and more energy-efficient components. Progress is being made at a breathtaking pace, stimulated by the rapidly growing demand for more powerful and readily available information technology. High-speed internet and data-streaming, home automation, tablets and smartphones are now ‘necessities’ for our everyday lives. Consumer expectations for progressively more data storage and exchange appear to be insatiable. In this context, ferroic domain walls have attracted recent attention as a completely new type of oxide interface. In addition to their functional properties, such walls are spatially mobile and can be created, moved, and erased on demand. This unique degree of flexibility enables domain walls to take an active role in future devices and hold a great potential as multifunctional 2D systems for nanoelectronics. With domain walls as reconfigurable electronic 2D components, a new generation of adaptive nano-technology and flexible circuitry becomes possible, that can be altered and upgraded throughout the lifetime of the device. Thus, what started out as fundamental research, at the limit of accessibility, is finally maturing into a promising concept for next-generation technology.

i2Flex and the Community of Inquiry Framework

2016 ◽  
pp. 334-348
Author(s):  
Antonia Fyrigou
Keyword(s):  
Best Practices ◽  
Student Learning ◽  
Community Of Inquiry ◽  
Teaching Methodology ◽  
Need To Evaluate ◽  
Community Of Inquiry Framework ◽  
French Class ◽  
New Generation ◽  
Unique Potential

In this chapter the goal is to describe my implementation of the i2Flex in two consecutive academic years in an attempt to meet more effectively the educational needs of the new generation students. Starting with the description of the i2Flex methodology in an IB French class as a member of the pilot i2Flex faculty at ACS Athens, I will present the instructional (re-)design of my Moodle shell to reflect the new teaching methodology, and the need to evaluate this pilot year via an appropriate framework. Then, I will describe the same class in the second year, from how i2Flex was at this point implemented to how it was evaluated and what data was collected from the students. Finally, the goal is to share under the umbrella of best practices how meaningful and efficient the i2Flex is, taking in consideration the new role of the teacher in and out of class and its unique potential for student learning.

Challenges to Building a “Knowledge Society”: The Role of Literacy in Promoting Critical Thinking in the UAE

2014 ◽  
Author(s):  
Hilda Freimuth
Keyword(s):  
Human Capital ◽  
Critical Thinking ◽  
Best Practices ◽  
United Arab Emirates ◽  
Knowledge Economy ◽  
Knowledge Society ◽  
National Human ◽  
Integral Role ◽  
New Generation

"In its 2021 Vision, the United Arab Emirates (UAE) government prioritizes the development of a “knowledge economy” to replace its current oil-driven one. National human capital must be fostered in order to fuel this transformation, and developing human capital involves building the skills and knowledge that drive cutting-edge entrepreneurship and innovation. Therefore, the Vision highlights the need to develop a new generation of creative and critical thinkers—citizens who are able to hone their conceptual abilities to raise the UAE’s international status to that of one of the most advanced countries in the world. This paper emphasizes the integral role that literacy plays in the achievement of the Vision. An overview of reading and literacy theories highlights the different levels of understanding crucial to building the human capital on which a knowledge economy depends. This paper also explores the symbiotic relationship between literacy and critical thinking before reviewing international best practices related to promoting literacy. Familiarity with both literacy theory and best practices for the promotion of literacy informs recommendations for the UAE’s policymakers as they work to strengthen the nation’s existing knowledge society."

A New Generation of Flat Rheology Invert Drilling Fluids

2012 ◽  
Author(s):  
Steven Young ◽  
James E. Friedheim ◽  
John Lee ◽  
Ole Iacob Prebensen
Keyword(s):  
Drilling Fluids ◽  
New Generation

Mud-Sealing Cement System Delivers Notable Cement Bond Log Result in a Challenging Offshore Horizontal 4 ½-in Liner: A New Technology Case Study

2021 ◽  
Author(s):  
Degaul Nana Nzoutchoua ◽  
Carl R. Johnson ◽  
Armelle Boukoulou Mounguele ◽  
Chibuzor Onyia ◽  
Giovanni Rizza ◽  
...  
Keyword(s):  
Best Practices ◽  
Oil And Gas ◽  
New Technology ◽  
Drilling Fluids ◽  
Directional Drilling ◽  
Drilling Tool ◽  
Cement System ◽  
Liner System ◽  
The Impact ◽  
Pipe Rotation

Abstract A 1575m [4922-ft] offshore horizontal 4-½-in. liner cemented using a mud-sealing cement system (MSCS) resulted in an outstanding cement bond log result. The decision to use the MSCS was taken after realizing that four offset liners, previously cemented using conventional cement systems, did not yield acceptable cement bond log results despite following oil and gas cementing industry best practices, including pipe rotation. This paper documents a comparison of six offset horizontal liners, focusing on the impact of the MSCS technology. The paper focuses on several 4-½-in. liners in the same field. The wells were drilled by a similar rig and had similar well profiles. The drilling bit, directional drilling tool, drilling fluids system, logging tool, centralizer type and pumping sequences were comparable across all wells. In addition, the logging company performing the cement bond log evaluation was not the same company performing the cementing service. After the first MSCS-cemented well, the subsequent well used a conventional cement system to isolate the 4-½-in. liner and tighten the cementing best practices. This was initiated to irrefutably confirm the impact of MSCS technology on the quality of cement bond log recorded on the earlier well. The cement bond log recorded from the well isolated with MSCS is easily identified among the six comparison wells even though the cementing operation faced several well challenges, includinga single dart liner system implementation (for all liners), which can promote the intermixing of slurry with fluid ahead while travelling down the pipemud losses in the drilling phase, which resulted in a reduction of the displacement rate to control ECD during cement placement. The bond log results of the other wells were qualified as poor or fair, even though significant precautions were taken to optimize zonal isolation. These efforts included batch mixing the spacer and slurry, using more than one centralizer per casing joint, and implementing pipe rotation during pre-job circulation and job execution when the torque limit allowed. This multi-well comparison based on field results brings solid evidence of the MSCS technology interacting with the residual layer of nonaqueous fluid (NAF) when well conditions reach or exceed the practical normative limitations for mud removal. This in-situ interaction generates a viscous paste that positively impacts the bond log response and bolsters the isolation between zones of interest. The result has yielded a step forward in the provision of a dedicated barrier technology for horizontal or highly deviated sections.

Connecting the Dots - Creating Values in Wells Operation Through Collaboration and Innovation in Product Chemistry

2021 ◽  
Author(s):  
Thanavathy Patmanesan ◽  
M. Solehuddin Razak ◽  
Lingges Devadass ◽  
M. Saufi M. Saleh ◽  
Nur Asyikin Khairi
Keyword(s):  
Field Trial ◽  
High Performance ◽  
Low Cost ◽  
Deep Understanding ◽  
Cost Savings ◽  
Poor Quality ◽  
Drilling Fluids ◽  
Cleaning Efficiency ◽  
High Productivity ◽  
Operational Issues

Abstract Successful Wellbore Clean Up (WBCU) operation is one of the key aspects in delivering a high productivity well. Conventionally, in this phase, a series of surfactant and solvent pill is circulated downhole to "clean" the well. Poor job execution at this stage usually will result to tremendous amount of time to clean out the well or worst leaving the well with a "dirty" brine. Eventually this will lead to impairment in the well productivity. The Operator experienced strings of non-performance in their WBCU operation. This is reflected by extensive circulation time and poor quality of the brine downhole. Coupled with pressing low crude oil price, the Upstream business of the Operator collaborated with their Downstream counterpart to co-create their own in house, low cost and high performance WBCU chemicals. Not only that the new chemicals resolved the operational issues faced by the Operator, it also created significant values within the company itself. The paper will discuss the process and implementation of the novel WBCU materials within the Operator's operation. The performance of a WBCU surfactant is measured by its effectiveness in cleaning various types of downhole residues as fast as possible. The design of the new WBCU surfactant hinges on these criteria. In the lab, the performance of the material is measured using a "cleaning efficiency" test at different drilling fluids densities and WBCU formulations. Series of iterations were performed to determine the best chemistry for the WBCU surfactant. Finally, a field trial was conducted in one of the Operator's well, Well T-2 to gauge the product's performance in the real environment. The field trial in well T-2 was successful in achieving a cleaner brine at a rate faster than well T-1, a similar well of the same campaign. Well T-1 used a conventional surfactant and solvent product in the current market. The WBCU used in well T-2 managed to reduce the final NTU of the brine up to 45% as compared to final NTU observed in well T-1. A reduction in the operation hours up to 4 hours was also seen in well T-2. This has contributed to cost savings in rig time up to USD 75K. The successful performance delivery of the Operator's in-house products has showcased a fruitful collaboration between different workstreams within the Operator. Deep understanding in the chemistry of solvent and surfactant from the Downstream business helps to solve the pain points by the Upstream business. Insights on product performance and applications are transpired within the team to innovate a solution with better performance at lower cost. This has paves way for more opportunities in product development especially in specialty chemicals.

Sign in / Sign up

Export Citation Format

Share Document