نتایج جستجو برای: casing program design

تعداد نتایج: 1350893  

Journal: :Mycologia 2003
R Noble T R Fermor S Lincoln A Dobrovin-Pennington C Evered A Mead R Li

The mushroom (Agaricus bisporus) has a requirement for a "casing layer" that has specific physical, chemical and microbiological properties which stimulate and promote the initiation of primordia. Some of these primordia then may develop further into sporophores, involving differentiation of tissue. Wild and commercial strains of A. bisporus were cultured in axenic and nonaxenic microcosms, usi...

2007
M. McElhaney A. Palazzolo A. Kascak

Previously published work on applied impact damping typically relates to SDOF models or simple MDOF models such as the classical cantilever beam. Structural models often require an extremely large number of DOF with mode shapes that are generally very complex. Dynamics simulation of these typically becomes both complicated and time consuming. The nonlinear behavior of impact dampers further com...

2017

Geopressure evaluation or prediction is an important exercise that must be carefully estimated when planning a drilling campaign. Formations of high pressure regime can be experienced in several areas within the bore hole depths. Being unaware of these areas that experience high pressure regime can create many uncontrolled events such as blow outs that may lead to human and material loss within...

2017
Kai Zhao Jiyong Han Liangbin Dou Yongcun Feng

Reservoir depletion will cause the safe equivalent circulation density (ECD) operating window of drilling fluids to narrow, or even disappear. Previous studies have proposed a set of two specific casings at the top and bottom of the depleted reservoir, respectively, or conducted wellbore strengthening to increase fracture pressure, but these will cause a waste of time and costs, or differential...

Journal: :Mathematical Problems in Engineering 2022

In this work, the wellhead axial movement of a subsea well was predicted with previously presented multi-string model modified to account for possible buckling well’s surface casing. This represented structural casing nonlinear spring that considers casing-soil interaction using t-z curves hysteretic behavior. addition, modeled incorporates deformation when effective force is compressive and ma...

If we are keen to boost the process of language learning, we need to study every aspect and component of our course. To this end, we carry out an investigation in which every detail of the course is put under microscope. Assessment of a course is an attempt in which different type of information is gathered systematically in order to study the working of a language instruction program. Certainl...

Journal: :International Journal of Rock Mechanics and Mining Sciences 2022

Near-wellbore rock fracture is a key subject in subsurface energy extraction. Casing perforation completion perhaps the most used type of well design mainly comparison to open hole completion. However, effects combined casing-cementing-rock structure on pressure transmission fracturing have not been sufficiently addressed, but understanding some important phenomena hydraulic fracturing, such as...

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