Oil-Rig Documents: RIG DOCUMENTS

Showing posts with label RIG DOCUMENTS. Show all posts

Friday, May 10, 2013

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

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OVERVIEW - ROTARY STEERABLE SYSTEMS - SCHLUMBERGER

10:23 AM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

OVERVIEW - ROTARY STEERABLE SYSTEMS - SCHLUMBERGER

What is PowerDrive?

•3-D, fully steerable tool that makes changes to inclination and azimuth with continuous drillstring rotation

•No “sliding mode”

Overview - Video

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COORDINATE SYSTEMS AND DEFINITIONS (NEXT NETWORK OF EXCELLENCE IN TRAINING)

9:55 AM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

COORDINATE SYSTEMS AND DEFINITIONS (NEXT NETWORK OF EXCELLENCE IN TRAINING)

At the end of this lecture, YOU will be able to;

Name the most common map projection model and state the main error introduced by the model.

Demonstrate the correct use of Latitude, Longitude and depth datum to define positions on Earth’s surface and within the crust.

State the differences between the different North’s and correct magnetic readings to True North.

Describe what is meant by “ellipse of uncertainty” and “travelling cylinder”.

Convert positions between Absolute and relative coordinates.

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PDM MECHANICAL COMPONENTS (NEXT NETWORK OF EXCELLENCE IN TRAINING)

9:51 AM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

PDM MECHANICAL COMPONENTS (NEXT NETWORK OF EXCELLENCE IN TRAINING)

Positive displacement motors

At the end of this lecture, YOU will be able to:

1. Name the 4 major components of a PDM tool.

2. Explain the components of a PDM power section.

3. List the components of a PDM drive line system

4. Name the 2 types of PDM bearing sections and state when each should be used

5. List the operational considerations for using PDM tools.

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INTRODUCTION TO DIRECTIONAL DRILLING (NEXT NETWORK OF EXCELLENCE IN TRAINING)

5:50 PM GENERAL DRILLING, JACK-UP, RIG DOCUMENTS, WELL CONTROL No comments

INTRODUCTION TO DIRECTIONAL DRILLING (NEXT NETWORK OF EXCELLENCE IN TRAINING)

•Lecture Contents

–Lecture Objectives,

–Definition,

–Well Types,

–Terminology,

–Applications,

–Basic Survey Calculation Methods,

–Directional Drilling Tools.

•Lecture Objectives

At the end of this lecture YOU will be able to:

–Define directional drilling techniques

–Identify well types,

–Describe the related terminologies,

–Understand the applications of directional drilling,

–List surveying and calculation methods,

–Describe Various BHAs and Downhole Tools.

Wellbore Survey

–Background

•Recently, technology have advanced in such away that the former directional drilling tools were replaced with an advanced ones such as:

–Steerable mud motors,

–MWD,

–Andergauge Stabilizers,

–LWD.

•These tools, in combination, could provide a 3D well profiles without changing BHA and have enabled the drilling of horizontal and multi lateral wells.