Blow Out Prevention and Well Control

Blow Out Prevention and Well Control

Jayakarta Hotel, Bandung  | Feb 22, 2010 – Feb 25, 2010 | Rp.  7.250.000,-

BACKGROUND

• Merupakan salah satu masalah lubang sumur di operasi pemboran
• Menyebabkan timbulnya biaya ekstra yang cukup besar
• Berpotensi menyebabkan hilangnya sebagian atau semua fasilitas pemboran di lapangan karena kick dan blow out yang tidak terkontrol
• Menunda waktu produksi sumur (POP)

OBJECTIVES

• Mengetahui gejala kejadian kick dan blow out.
• Mengetahui kerugian akibat kick yang tidak terkontrol atau blow out.
• Mengetahui usaha pencegahan terjadinya blow out.
• Mengetahui cara mengidentifikasi mekanisme kick yang terjadi.
• Mengetahui kronologi terjadinya kick dan blow out dan cara penanggulangannya dengan Well Control.

PRE-REQUISITE

• Operator/ Sr. Operator/ Jr. Engineer/ Non Engineer
• Petroleum Engineers, Reservoir Engineers, Production Engineers
• Well Service Engineers
• Everybody or professionals who wants to better understanding and broaden their knowledge from the course subject

COURSE OUTLINE

1. Well Control Introduction

• Introduction to course
• Basic Concepts
• Liquid Hydrostatics

2. Gas Behavior and Hydrostatics

• Ideal Gases
• Effect of Temperature
• Real Gases
• Critical Temperature & Pressure
• Pseudo-Critical Temp. and Press.
• Gas Compressibility
• Gas Migration

3. Kick and Gas Migration

• Density of real gasses
• Equivalent Mud Weight (EMW)
• Wellbore pressure before and after kick
• Gas migration rate – first order approx.
• Gas migration rate – w/mud compressibility

4. Gas Solubility

• Solubility of Hydrocarbon Gasses in Oil
• Solubility of Non-Hydrocarbon Gasses in Oil
• Solution Volume Factors
• Oil Mud Recommendations

5. Pore Pressure Prediction

• Mud Weight and Pore Pressure
• Mud Weight and Fracture Gradient
• Normal Pore Pressure
• Subnormal Pore Pressure
• Abnormal Pore Pressure
• Origins of Pore Pressure
• Bulk Density and Porosity vs. Depth

6. Drilling Rate and Pore Pressure

• Forces on Subsurface Rock
• d-exponent
• dc-exponent
• Rehm and McClendon
• Zamora
• Comb’s Method
• Bourgoyne and Young’s Method

7. Other Indicators of Abnormal Pore Pressure

• Moore’s Equation – Drilling rate
• Gas in the Drilling Fluid
• Rock Sample Characteristics
• Use of Surge and Swab Pressure to determine Overbalance
• Changes in Drilling Fluid Properties
• Temperature Indications
• Hole Conditions

8. Logging While Drilling

• Sonic Travel Time
• Resistivity and Conductivity
• Eaton’s Equations (R, C, Dt, dc)
• Natural Gamma Ray

9. Fracture Gradients 1

• Allowable Wellbore Pressures
• Rock Mechanics Principles
• Hooke’s Law, Young’s Mudulus, Poisson’s Ratio
• Volumetric Strain, Bulk Modulus, Compressibility
• Triaxial Tests
• Rock Mechanics Principles (con’t.)
• Rock Properties from Sound Speed in Rocks’
• Mohr’s Circle
• Mohr-Coulomb Failure Criteria

10. Fracture Gradients 2

• Radial and Tangential Stresses near the Wellbore
• Stresses in Rock near Wellbore
• Effect of Anisotropic Stresses
• Onshore vs. Offshore Fracture Gradients
• Fracture Gradients in Inclined Wellbores
• Oil Based and Water Based Drilling Fluids

11. Fracture Gradients Determination

• Hubbert and Willis
• Matthews and Kelly
• Ben Eaton
• Christman
• Leak-Off Test (experimental)

12. Kick Detection and Control

• Primary and Secondary Well Control
• What Constitutes a Kick
• Why Kicks Occur
• Kick Detection Methods
• Shut-in Procedures
• Soft and Hard Shut-in
• Water Hammer

13. Off Bottom Kick

• Slugging of drillpipe
• Hole fill during trips
• Surge and Swab pressures
• Kick detection during trips
• Shut-In Procedures
• Blowout Case History

14. Control Pressures and Circulation Kill Techniques 1

• Shut-In Pressures
• Weighting Up the Mud
• Driller’s Method
• Wait & Weight Method

15. Control Pressures and Circulation Kill Techniques 2

• Wait & Weight Method
• Concurrent Method
• Annulus Pressure Profiles
• Kicks in Oil-Based Mud

16. Secondary Well Control Complications

• Volumetric Well Control
• Lubrication
• Complications During Conventional Kill
• Techniques to Reduce Annular Friction

17. Special Well Control Applications

• Underbalanced Drilling
• Well Control in Unconventional Hole Programs
• Casing and Cementing Operations

18. Equipments

• High Pressure Equipment
• Control System Equipment and Design
• BOP Inspection and Test Considerations
• Low-Pressure Equipment
• Equipment Arrangement: Design and Philosophy
• Casing
• Casing Heads and Spools
• Stack Equipment
• Choke and Kill Line Equipment
• Drillstem Control Equipment

19. Offshore Operations

• Equipment Used in Floating Drilling
• Operational Considerations in Floating Well Contr
• Shallow Gas Hazards
• Trends in Deepwater Drilling

Instructor
Dr. Ir. Sudjati Rachmat, DEA

DR. Ir. Sudjati Rachmat, DEA is General Manager of Program Development Department of ITB. He was an extreme dedicated consultant and researcher with countless hands-on expertise in analytical methods, engineering mathematics, computer simulation, fluid mechanic, mass and heat transfer. Mr. Sudjati has published numerous articles regarding of researches and analyses in France, Australia, USA and Singapore.

His expertise has brought him to one of the top-notch expert hired among UNOCAL, MOBIL OIL Indonesia, PPTM Migas, PT. CALTEX Pacific Indonesia, LEMIGAS, PT. LNG Bontang, VICO Indonesia, GULF, ARCO and PERTAMINA. He is an active member of SPE [Society of Petroleum Engineers] and Fine Particles Society, US. He holds Diplome d’Etude Approfondie and Docteur en Mecanique de Fluide in Methode Numerique from UCB, France.

Tuition Fee
Rp.  7.250.000,-   per participant, excluding accomodation & tax.

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