Tag «drilling»

Schlumberger drilling CDs free download

drilling

Schlumberger Drilling Course the biggest source ever about oil well drilling, from the biggest company in the oil industry fields. it helps you to understand the drilling process fro the beginning, in other words; it is an “A to Z drilling course” , With highly interactive show with visual and vocal effects illustrating drilling  and other …

Sand Control

sand control

  Consequences of sand production: • Wellbore fill. • Equipment problems due to sand fill. • Sand erosion of downhole and surface equipment. • Sand accumulation on surface and Sand Disposal. • Production Loss. • Casing / Liner Collapse. Forces Aiding in Resisting Sand Production: • Intergranular frictional forces and bonding (cementing) help resist grain movement • Capillary …

Oil Well Cementing Functions, Classes and Equipment

cementing

    Functions of cement –  Restriction of fluid movement between permeable zones –  Provision of mechanical support of the casing string –  Protection of casing from corrosion –  Support of the well-bore walls to prevent collapse of formations The manufacture and composition of cement –  Raw material from calcareous and argillaceous rocks (limestone, clay, shale …

Well Completion Concepts

well completion

      Porosity Porosity is the fraction of the total volume of the rock that is pore (non rock) space or void and not made of solid pieces of the formation. It will be filled with a gas, water or hydrocarbon or two or more at the same time. Porosity will range from a high …

Water-Base Muds

drilling

    Drilling Muds A water-base drilling fluid is one that has water as its continuous or liquid phase. The types of drilling fluids are briefly described in the following lines. Freshwater muds are generally lightly treated or untreated muds having a liquid phase of water, containing small concentrations of salt, and having a pH …

Oil Well Casing

casing

    Types of Casing  Based on the primary function of the casing string, there are five types of casing to be distinguished. Stove or Surface Casing The stovepipe is usually driven to sufficient depth (15–60 ft) to protect loose surface formation and to enable circulation of the drilling fluid. This pipe is sometimes cemented …

how Drilling Fluid Additives are classified

drilling

      Each drilling fluid vendor provides a wide array of basic and specialty chemicals to meet the needs of the drilling industry. The general classification of drilling fluid additives below is based on the definitions of the International Association of Drilling Contractors (IADC): Alkalinity or pH control additives are products designed to control …

Fishing Equipment

fishing

Fishing Operations and Equipment A fish is a part of the drill string that separates from the upper remaining portion of the drill string while the drill string is in the well. This can result from the drill string failing mechanically, or from the lower portion of the drill string becoming stuck or otherwise becoming …

Arabic Drilling Videos

فيديوهات حفر الابار النفطية Arabic Drilling Videos يقدم لكم موقع النفط والغاز الطبيعي العربي مجموعة كبيرة من الأفلام التعليمية الخاصة بحفر الآبار النفطية باللغة العربية تم تحميلها وتجميعها من مواقع مختلفة ورفعها الى السيرفرات الخاصة بموقعنا لكي يتسنى لكم تحميلها بشكل مباشر ، كل ما عليك فعله هو النفر على كلمة Download أو Download Link …

Wells – Chemicals

drilling

Chemicals Used in Fracturing The identities of chemicals incorporated in fracturing fluids were probably the first thing sensationalized about fracturing. The movie “Gasland” created quite a stir with the statement that a “cocktail” of several hundred toxic chemicals were “potentially” used in fracturing. The grain of truth was that there are many chemicals in additives …

Drilling Rotating Equipment

Drilling Rotating Equipment

      Rotating system: the figure indicate the comparative sizes of the drill pipe and drill collar. Swivel ♦ The swivel hangs from the drilling hook by means of large bail, or handle. The swivel is not rotate, but allow everything below it to rotate. ♦ Drilling fluid is introduced into the drill stem …