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- Категория: Drilling engineering (continued)
- Summary of One Circulation Method
- The "One circulation Method" ("balanced mud density" or "wait and weight" method)
- WELL KILLING PROCEDURES
- Gas Buoyancy Effect
- Factors Affecting the Annulus Pressure, Pann
- Exerise 3 Killing Operation Calculations
- Kill Mud Weight
- Interpretation of Shut-in Pressures
- Secondary control
- Precautions During Tripping
- Precautions Whilst Drilling
- Primary Indicators of a Kick
- WARNING iNDiCATORS OF A KiCK
- Reduced Height of Mud Colom
- Reduction in Mudweight
- WELL CONTROL PRINCIPLES
- Exercise 5 Maximum Allowable Annular Surface Pressure - MAASP
- Summary of Procedures
- The Equivalent Circulating Density (ECD) of a fluid
- Leak Off Test Calculations
- The Leak-Off Test, Limit Test and Formation Breakdown Test
- FORMATION FRACTuRE GRADIENT
- Drilled Cuttings
- Drilling Mud Parameters
- Detection Based on Drilling Parameters
- PREDICTION AND DETECTION OF Abnormal PRESSuRES
- Exercise 1 Pore Pressure Profiles
- Transition zone
- DRILLING PROBLEMS ASSOCiATED WiTH ABNORMAL FORMATiON PRESSuRES
- Origin of Overpressured Formations
- Origin of Subnormal Formation Pressures
- ABNORMAL PRESSURES
- OVERBURDEN PRESSURES
- Having worked through this chapter the student will be able to
- Exercise 3 Cost per Foot Whilst Drilling
- Exercise 1 Selection of a Drillbit
- Hydraulic Efficiency
- Rotary Speed
- Weight on Bit
- Roller Cone Bits
- BIT PERFORMANCE
- ROCK BIT EVALUATION
- Fixed Cutter Bits
- Means both sealed friction bearings and gauge protection included
- Fluid Circulation
- Bit Body Material
- Cutter Material
- Fluid Circulation
- Cutting Structure
- Roller Cone Bit Design