Oil-Rig Documents

Tuesday, May 21, 2013

LỜI TỎ TÌNH DỄ THƯƠNG - VIETBAO.VN

3:32 AM Góc Chém Gió No comments

Nguồn: Vietbao.vn

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WELL CONTROL MANUAL - LOUISIANA STATE UNIVERSITY

2:48 AM JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

Chapter 1

DRILLING AND COMPLETION FLUIDS

Preparation and maintaining of drilling fluids is based on the functions that the fluids must accomplish. Some general fluid properties, such as density and viscosity, together with specific characteristics unique to drilling fluids, such as filtration control and lubricity, have direct impact on the function of the mud. For example, density dictates the hydrostatic pressure exerted over a formation. Viscosity and density dictate the ability of fluid to carry cutting out of the wellbore, etc. the purposes of the chapter are to present (1) the primary functions of the drilling fluids, (2) the diagnostic test procedures used to determine whether the drilling fluid has suitable properties for performing these functions, and (3) the common additives used to obtain the desirable properties under various well conditions. .....

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Slide Source

4:37 AM Hình Ảnh No comments

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INTRODUCTION TO DEEPWATER WELL CONTROL (NEXT - NETWORK OF EXCELLENCE IN TRAINING)

3:25 PM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

At the end of the lecture, you should be able to:

Describe the key aspects of well control in deepwater operations

Deepwater well control

Define Deepwater Well control?
When can it occur?
Why,how, can it occur?
What are the hazards, risks, probability and consequence of well control incidents?
What plans and processes will be used to manage and control well control incidents?
Are all aspects “fit for purpose” ?

Deepwater special considerations

Preparing to kill a well
Well control with bit off bottom
Well control with bit on bottom
Volumetric stripping operations
Kill with no pipe in hole
Circulating gas from riser and BOP’s
Bullheading operations
Shearing pipe
Shallow well control
Lost circulation

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DEEPWATER EQUIPMENT SYSTEMS (NEXT NETWORK OF EXCELLENCE IN TRAINING)

11:50 AM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

At the end of the lecture,you will be able to:

Appreciate the various type of equipment systems used in deepwater operations

Offshore Rig Equipment

Work boats
Tubular and riser handling equipment
Compensation equipment
Elevating equipment or Station keeping
Mud system
Subsea equipment

– Remote operated vehicles (ROV’s)
– Wellheads, templates, manifolds
– Xmas trees BOPs

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INTRODUCTION TO DEEPWATER DRILLING TECHNOLOGY (NEXT NETWORK OF EXCELLENCE IN TRAINING)

9:06 AM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

Topics to be covered

What is deepwater drilling?

Deepwater provinces - regional differences

Deepwater riser

Deepwater rigs and operations

High deepwater drilling costs and deepwater alternatives slim hole, dual mud gradient systems

Evolving deepwater drilling technology – Deepwater field development concepts deep draft caisson vessel (DDCV-SPAR) vs. TLP (tension leg platforms)

Challenges of deepwater technology

Conclusions

Introduction

•What is “Deepwater?”
–This is an evolving notion

–Presently considered to be water depth deeper than 1500 ft, ultra-deepwater meaning > 5000 ft of water

•Where is deepwater drilling taking place?
–Present water depth drilling record: 9111 ft (Brazil 2000); 6592 ft 1998; 5700 1982)

–World water depth record for a producing well: 6080 ft (Roncador field, Brazil, 1999)

Unconsolidated Shallow Sediments

30” pipe is jetted in (with drill-ahead tool)
30” pipe is structural, not conductor. Usually 80 to 100 m long
20” pipe is conductor, not surface casing. It is run in open water (26” hole drilled riserless).
On mobile offshore drilling units (MODU), BOPs and marine risers are run on top, but no use of BOPs in 17-1/2” hole (No shut-in).
13-3/8” casing acting as surface casing
Very low fracture gradients