Cementing at High Pressure Zones in KSA "Discovering Mystery behind Pipe"

Dossary, A.S.; Al-Majed, Abdulaziz; Hossain, Enamul; Rahman, M. Habibur; Jennings, Scott; Bargawi, Riyadh Ahmad

doi:10.2118/142421-ms

Cited by 2 publications

(1 citation statement)

References 20 publications

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“…Of importance, the authors performed the same lesions in another hypothalamic nucleus with the same parameters, but this did not produce similar effects [11]. This nucleus is known as the "satiety center" [12]. Apart from the VMH, the lateral hypothalamic area (LHA) is also known to play a key role in the regulation of ingestive behaviour (ever since the early studies on lesions conducted by Anand and Brobeck, where they found that bilateral electrolytic lesions of LHA completely inhibited food intake to the point where the rat died of starvation) [13].…”

Section: Control Of Food Intake By the Hypothalamusmentioning

confidence: 99%

Impact of Sugars on Hypothalamic Satiety Pathways and Its Contribution to Dysmetabolic States

Capucho

Conde

2022

Diabetology

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Food behaviour is a complex and multifaceted cooperation between physiologic, psychological, social, and genetic factors, influencing meal timing, amount of food intake, food preferences, and food selections. Deregulation of the neurobiological mechanisms controlling food behaviour underlies the development of obesity and type 2 diabetes, two epidemics of the present century. Several brain nuclei are involved in the regulation of the different components of food behaviours; the hypothalamus is the key in controlling appetite and energy homeostasis. In this review, we will explain the role of the hypothalamus in the control of food intake and its interplay with other brain nuclei important in food behaviour. We will also highlight the deregulation of satiety pathways in type 2 diabetes and obesity and the mechanisms behind this deregulation. Finally, knowing that there are different categories of sugars and that they differently impact food behaviours, we will review in a concise manner the studies referring to the effects of sugars in satiety and reward pathways and their impacts on metabolic diseases.

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Section: Control Of Food Intake By the Hypothalamusmentioning

confidence: 99%

Impact of Sugars on Hypothalamic Satiety Pathways and Its Contribution to Dysmetabolic States

Capucho

Conde

2022

Diabetology

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BD Field Development: First Kujung Horizontalnear HPHT - Critical Sour Wells Offshore Indonesia

Jihong

Tian

Yang

et al. 2017

SPE/IATMI Asia Pacific Oil &Amp; Gas Conference and Exhibition

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The Company had successfully drilled 4 challenging BD Development Wells (1 vertical and 3 horizontal). BD Field reservoir is aKujung 1 limestone reef, considered near HPHT and critical sour with 8,100 psi Bottom Hole Pressure (BHP), 300℉ Bottom Hole Temperature (BHT), 5.5% CO2 and 5,000 ppm H2S. This paper highlights the design phase and well deliverability covering pressure window, casing design, material selection, wellhead and Christmas tree, directional drilling planning, drilling fluid, cementing consideration, well completion, annulus pressure management, and project challenges. The data from two offset wells with surface location radius fewer than 2,000 ft from BD Platform were used as reference for lessons learnt and design for the casing seat selection. Based on the Wellbore Stability Study and the offset wells data, there exists a narrow mud weight window between pore pressure and fracture pressure. The directional plan was developed to have sufficient well separation in the upper hole section and enable fewer dog leg severity requirement to drill in the down hole section. Material selection for casing was designed based on the expected life of the well and reservoir properties in accordance to the requirements of NACE. Drill-in fluid system (Potassium Formate and Manganese Tetraoxide) with mud weight of 14.9 ppg was used to drill the limestone reservoir section providing minimal damage to the reservoir. Production casing cement was tested and analyzed in the laboratory for 60days in the HPHT chamber simulating reservoir properties. Open Hole Monobore Completion approach was selected to complete the well. In order not to compromise well integrity, annulus pressure management technique was fully implemented during drilling, completion, and well clean up phases. The wells were successfully executed despite several challenges which required unique mitigations to manage. During well clean ups, all wells were able to exceed the Absolute Open Flow (AOF) expectations.

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Cementing at High Pressure Zones in KSA "Discovering Mystery behind Pipe"

Cited by 2 publications

References 20 publications

Impact of Sugars on Hypothalamic Satiety Pathways and Its Contribution to Dysmetabolic States

Impact of Sugars on Hypothalamic Satiety Pathways and Its Contribution to Dysmetabolic States

BD Field Development: First Kujung Horizontalnear HPHT - Critical Sour Wells Offshore Indonesia

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