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OKDC Engineering Dept.
‫ی‬‫حفار‬‫های‬‫لوله‬‫سی‬‫ر‬‫باز‬‫نتایج‬ ‫تحلیلی‬‫ارش‬‫ز‬‫گ‬
3 ½” , API G105 NC 38
DRILL PIPE # 3 ½” , API NC 38 (3 ½ IF)
INSPECTION PROGRAM TH HILL VOL. 03 2012 DS-1 CAT 5
DRILL PIPE # 3 ½” , API G105,NC 38
INSPECTION SUMMARY
Defected No.s
Defect
Part
73 jnt.
EMI N/A
(Notched body)
Tube Body
39
Bend
31
Galled Thread
Box Threads
1+1
Pitted + Galled Thread
Pin Threads
Ready To Use Need To
Repair
Grade G105
Total (Jnt)
186 68 254
68, 27%
186, 73%
Tha Drill pipes inspection Summary
Need to Repair
Ready to Use
4 Joints of pipes have both bended bodies and Galled
Threads Defects.
EMI N/A (Notched body)
EMI N/A (Notched body)
‫لوله‬ ‫سطح‬ ‫در‬ ‫شدید‬ ‫خوردگی‬ ‫های‬ ‫حفره‬
(
‫فرکانسهای‬ ‫ایجاد‬ ‫علت‬ ‫به‬
‫و‬ ‫متداخل‬
False Indications
‫امکان‬
EMI
‫میسر‬ ‫لوله‬
‫باشد‬ ‫نمی‬
)

‫کننده‬ ‫ایجاد‬ ‫عوامل‬
-
‫موثر‬ ‫یا‬ ‫مناسب‬
‫شیوه‬ ‫نبودن‬
‫ها‬ ‫لوله‬ ‫سطح‬ ‫کردن‬ ‫تمیز‬
-
‫بودن‬ ‫پایین‬
PH
-
‫حفاری‬ ‫سیال‬ ‫در‬ ‫اکسیژن‬ ‫میزان‬ ‫بودن‬ ‫باال‬
-
‫ها‬ ‫لوله‬ ‫شستشوی‬ ‫وآب‬ ‫حفاری‬ ‫سیال‬ ‫نمک‬ ‫بودن‬ ‫باال‬

‫بهبود‬ ‫راهکارهای‬
-
‫هنگام‬ ‫در‬ ‫ها‬ ‫لوله‬ ‫خارجی‬ ‫سطح‬ ‫کردن‬ ‫تمیز‬
POOH
‫از‬ ‫استفاده‬ ‫با‬
Wiper rubber
•
‫محتمل‬ ‫راهکارهای‬ ‫و‬ ‫پیشنهادات‬ ‫سایر‬
-
‫تنظیم‬
PH
‫از‬ ‫باالتر‬ ‫بازه‬ ‫در‬ ‫حفاری‬ ‫سیال‬
9
‫الی‬
10
EMI N/A (Notched body)
Galled Thread (Only in boxes!)
Galled Thread (Only in boxes!)
‫در‬ ‫خود‬ ‫شونده‬ ‫جفت‬ ‫رزوه‬ ‫در‬ ‫ها‬ ‫رزوه‬ ‫در‬ ‫خرابی‬ ‫نوع‬ ‫این‬ ‫اینکه‬ ‫به‬ ‫توجه‬ ‫با‬
‫قسمت‬
Pin
‫در‬ ‫صرفا‬ ‫و‬ ‫شود‬ ‫نمی‬ ‫دیده‬
Box
‫نتیجه‬ ‫در‬ ،‫است‬ ‫داده‬ ‫رخ‬
:
•
‫کننده‬ ‫ایجاد‬ ‫عوامل‬
‫توسط‬ ‫که‬ ‫ضرباتی‬
Pin Nose Impact
‫در‬
‫قراردادن‬ ‫هنگام‬
Pin
‫در‬
Box
‫در‬ ‫اصطالح‬ ‫به‬
‫هنگام‬
Stabbing
‫بوجود‬
‫می‬
‫آید‬
.
‫نبودن‬ ‫تنظیم‬
TDS Counter balance
•
‫بهبود‬ ‫راهکارهای‬
‫از‬ ‫استفاده‬
Stabbing Guide
‫عملیات‬ ‫هنگام‬
RIH
‫تنظیم‬
TDS Counter balance
Proper Stabbing is Critical
Slips dies print
cause
Initial Crack
Wash
out!!!
Lead to
Slips dies print
‫اثر‬
‫های‬ ‫دندانه‬
Slips
‫تحت‬ ‫آغازین‬ ‫ترکهای‬ ‫ایجاد‬ ‫جهت‬ ‫نقطه‬ ‫بهترین‬ ‫که‬
‫می‬ ‫بوجود‬ ‫را‬ ‫حفاری‬ ‫رشته‬ ‫داینامیکی‬ ‫ارتعاشات‬
‫آورد‬
.

‫اصلی‬ ‫عامل‬
:
-
‫عملیات‬ ‫در‬ ‫پایین‬ ‫آچار‬ ‫از‬ ‫استفاده‬ ‫عدم‬ ‫علت‬ ‫به‬
Tripping
‫ذهنیت‬ ،
‫در‬ ‫چرخش‬ ‫عدم‬ ‫جهت‬ ‫حفاری‬ ‫رشته‬ ‫وزن‬ ‫بودن‬ ‫کافی‬ ‫خصوص‬ ‫در‬ ‫حفار‬
Slips
‫به‬
‫بودن‬ ‫قفل‬ ‫هنگام‬
Rotary Table
-
‫استفاده‬
‫کوتاه‬ ‫و‬ ‫بلند‬ ‫عاج‬ ‫با‬ ‫های‬ ‫دندانه‬ ‫از‬
(
‫همسان‬ ‫غیر‬
)
‫یا‬ ‫و‬
:
-
‫سایش‬
)
‫توسط‬ ‫شده‬ ‫توصیه‬ ‫مجاز‬ ‫حد‬ ‫از‬ ‫باالتر‬
(OEM
‫در‬
Bushing Bowls
‫منجر‬
‫ناصحیح‬ ‫استقرار‬ ‫به‬
Slips
‫محل‬ ‫در‬
Bushing
‫درگیر‬ ‫به‬ ‫منجر‬ ‫با‬ ‫که‬ ‫شده‬
‫در‬ ‫هم‬ ‫در‬ ‫آن‬ ‫اثرات‬ ‫که‬ ‫است‬ ‫شده‬ ‫سلیپس‬ ‫های‬ ‫دندانه‬ ‫از‬ ‫تعدادی‬ ‫شدن‬
‫در‬ ‫هم‬ ‫و‬ ‫بدنه‬
Tool joint
‫به‬ ‫نیاز‬ ‫خصوص‬ ‫این‬ ‫در‬ ‫که‬ ‫است‬ ‫شده‬ ‫دیده‬
‫باشد‬ ‫می‬ ‫بررسی‬
.

‫بهبود‬ ‫راهکارهای‬
:
‫عملیات‬ ‫هنگام‬ ‫در‬ ‫پایین‬ ‫آچار‬ ‫از‬ ‫استفاده‬
Tripping
‫کردن‬ ‫تمیز‬ ‫و‬ ‫بررسی‬
Slips
‫و‬
‫دندانه‬ ‫های‬ ‫آج‬ ‫بررسی‬
‫آن‬ ‫های‬
Neck of the drilling bowls WEARING
Body bending
-
‫حمل‬
‫نوع‬ ‫این‬ ‫دالیل‬ ‫ترین‬ ‫اصلی‬ ‫و‬ ‫مهمترین‬ ‫نامناسب‬ ‫نقل‬ ‫و‬
‫در‬ ‫اینکه‬ ‫به‬ ‫توجه‬ ‫با‬ ‫باشد‬ ‫می‬ ‫حفاری‬ ‫های‬ ‫لوله‬ ‫در‬ ‫خرابی‬
‫ایجاد‬ ‫موجب‬ ‫که‬ ‫عملیاتهایی‬ ‫لوله‬ ‫این‬ ‫اخیر‬ ‫تاریخچه‬
‫نیروهای‬
Compression
‫است‬ ‫نداشته‬ ‫وجود‬ ‫شوند‬
.
-
‫نیاز‬
‫نقل‬ ‫حمل‬ ‫و‬ ‫باربرداری‬ ،‫انتقال‬ ‫دستورالعمل‬ ‫تهیه‬ ‫به‬
‫حفاری‬ ‫جارهای‬ ‫و‬ ‫ها‬ ‫لوله‬ ‫بخصوص‬ ‫حفاری‬ ‫رشته‬ ‫اجزای‬ ‫ایمن‬
‫و‬ ‫باربرداری‬ ‫خاص‬ ‫تجهیزات‬ ،‫باندلینگ‬ ‫مجاز‬ ‫تعداد‬ ‫شامل‬
‫و‬ ‫چوبی‬ ‫های‬ ‫گوه‬ ‫از‬ ‫استفاده‬
‫پلیمری‬
–
‫فلزی‬
‫و‬
...
-
‫ناصحیح‬ ‫انبارش‬
-
‫نیاز‬
‫بازرسی‬ ‫در‬ ‫محتمل‬ ‫عوامل‬ ‫سایر‬ ‫خصوص‬ ‫در‬ ‫بیشتر‬ ‫بررسی‬ ‫به‬
‫های‬
‫بعدی‬
‫بازرسی‬ ‫مدیریت‬ ‫جهت‬ ‫گذاری‬ ‫شماره‬
‫ها‬
(
‫زاویه‬ ‫ناحیه‬ ‫در‬
35
‫شماره‬ ‫محل‬ ‫درجه‬
1
‫شکل‬ ‫در‬
)
‫و‬
‫برخی‬ ‫گذاری‬ ‫شماره‬ ‫خصوص‬ ‫این‬ ‫در‬ ‫که‬ ‫است‬ ‫الزم‬ ‫ها‬ ‫لوله‬ ‫بازرسی‬ ‫و‬ ‫کارکرد‬ ‫تاریخچه‬ ‫ردیابی‬
‫کدینگ‬ ‫دارای‬ ‫شده‬ ‫انجام‬ ‫که‬ ‫هم‬ ‫هایی‬ ‫لوله‬ ‫گذاری‬ ‫شماره‬ ‫و‬ ‫نشده‬ ‫انجام‬ ‫ها‬ ‫لوله‬ ‫از‬
‫باشد‬ ‫نمی‬ ‫یکپارچه‬
.
‫این‬ ‫است‬ ‫الزم‬
‫عملیات‬ ‫واحد‬ ‫توسط‬ ‫سریعتر‬ ‫کارهرچه‬
(
‫گردش‬ ‫در‬ ‫ابزار‬
)
Pipe Identification No.
References:
1. Drill Pipe Troubleshooting Guidelines, NOV-VARCO TuboScope 2011, Drill
pipe tips
2. DS-1@ Fourth Edition, Volume 3, Drill Stem lnspection,2016
3. NS-5 drill string Failure prevention standard booklet,2012
4. LIOYD Register, MODU SPEC drilling rig inspection workshop book , V.04,
SPEC Academy, 2014
OKDC, Engineering Dept.

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NC 38 DPs Inspection analysis012.pptx

  • 2. DRILL PIPE # 3 ½” , API NC 38 (3 ½ IF) INSPECTION PROGRAM TH HILL VOL. 03 2012 DS-1 CAT 5
  • 3. DRILL PIPE # 3 ½” , API G105,NC 38 INSPECTION SUMMARY Defected No.s Defect Part 73 jnt. EMI N/A (Notched body) Tube Body 39 Bend 31 Galled Thread Box Threads 1+1 Pitted + Galled Thread Pin Threads Ready To Use Need To Repair Grade G105 Total (Jnt) 186 68 254 68, 27% 186, 73% Tha Drill pipes inspection Summary Need to Repair Ready to Use 4 Joints of pipes have both bended bodies and Galled Threads Defects.
  • 5. EMI N/A (Notched body) ‫لوله‬ ‫سطح‬ ‫در‬ ‫شدید‬ ‫خوردگی‬ ‫های‬ ‫حفره‬ ( ‫فرکانسهای‬ ‫ایجاد‬ ‫علت‬ ‫به‬ ‫و‬ ‫متداخل‬ False Indications ‫امکان‬ EMI ‫میسر‬ ‫لوله‬ ‫باشد‬ ‫نمی‬ )  ‫کننده‬ ‫ایجاد‬ ‫عوامل‬ - ‫موثر‬ ‫یا‬ ‫مناسب‬ ‫شیوه‬ ‫نبودن‬ ‫ها‬ ‫لوله‬ ‫سطح‬ ‫کردن‬ ‫تمیز‬ - ‫بودن‬ ‫پایین‬ PH - ‫حفاری‬ ‫سیال‬ ‫در‬ ‫اکسیژن‬ ‫میزان‬ ‫بودن‬ ‫باال‬ - ‫ها‬ ‫لوله‬ ‫شستشوی‬ ‫وآب‬ ‫حفاری‬ ‫سیال‬ ‫نمک‬ ‫بودن‬ ‫باال‬  ‫بهبود‬ ‫راهکارهای‬ - ‫هنگام‬ ‫در‬ ‫ها‬ ‫لوله‬ ‫خارجی‬ ‫سطح‬ ‫کردن‬ ‫تمیز‬ POOH ‫از‬ ‫استفاده‬ ‫با‬ Wiper rubber • ‫محتمل‬ ‫راهکارهای‬ ‫و‬ ‫پیشنهادات‬ ‫سایر‬ - ‫تنظیم‬ PH ‫از‬ ‫باالتر‬ ‫بازه‬ ‫در‬ ‫حفاری‬ ‫سیال‬ 9 ‫الی‬ 10
  • 7. Galled Thread (Only in boxes!)
  • 8. Galled Thread (Only in boxes!) ‫در‬ ‫خود‬ ‫شونده‬ ‫جفت‬ ‫رزوه‬ ‫در‬ ‫ها‬ ‫رزوه‬ ‫در‬ ‫خرابی‬ ‫نوع‬ ‫این‬ ‫اینکه‬ ‫به‬ ‫توجه‬ ‫با‬ ‫قسمت‬ Pin ‫در‬ ‫صرفا‬ ‫و‬ ‫شود‬ ‫نمی‬ ‫دیده‬ Box ‫نتیجه‬ ‫در‬ ،‫است‬ ‫داده‬ ‫رخ‬ : • ‫کننده‬ ‫ایجاد‬ ‫عوامل‬ ‫توسط‬ ‫که‬ ‫ضرباتی‬ Pin Nose Impact ‫در‬ ‫قراردادن‬ ‫هنگام‬ Pin ‫در‬ Box ‫در‬ ‫اصطالح‬ ‫به‬ ‫هنگام‬ Stabbing ‫بوجود‬ ‫می‬ ‫آید‬ . ‫نبودن‬ ‫تنظیم‬ TDS Counter balance • ‫بهبود‬ ‫راهکارهای‬ ‫از‬ ‫استفاده‬ Stabbing Guide ‫عملیات‬ ‫هنگام‬ RIH ‫تنظیم‬ TDS Counter balance
  • 10. Slips dies print cause Initial Crack Wash out!!! Lead to
  • 11. Slips dies print ‫اثر‬ ‫های‬ ‫دندانه‬ Slips ‫تحت‬ ‫آغازین‬ ‫ترکهای‬ ‫ایجاد‬ ‫جهت‬ ‫نقطه‬ ‫بهترین‬ ‫که‬ ‫می‬ ‫بوجود‬ ‫را‬ ‫حفاری‬ ‫رشته‬ ‫داینامیکی‬ ‫ارتعاشات‬ ‫آورد‬ .  ‫اصلی‬ ‫عامل‬ : - ‫عملیات‬ ‫در‬ ‫پایین‬ ‫آچار‬ ‫از‬ ‫استفاده‬ ‫عدم‬ ‫علت‬ ‫به‬ Tripping ‫ذهنیت‬ ، ‫در‬ ‫چرخش‬ ‫عدم‬ ‫جهت‬ ‫حفاری‬ ‫رشته‬ ‫وزن‬ ‫بودن‬ ‫کافی‬ ‫خصوص‬ ‫در‬ ‫حفار‬ Slips ‫به‬ ‫بودن‬ ‫قفل‬ ‫هنگام‬ Rotary Table - ‫استفاده‬ ‫کوتاه‬ ‫و‬ ‫بلند‬ ‫عاج‬ ‫با‬ ‫های‬ ‫دندانه‬ ‫از‬ ( ‫همسان‬ ‫غیر‬ ) ‫یا‬ ‫و‬ : - ‫سایش‬ ) ‫توسط‬ ‫شده‬ ‫توصیه‬ ‫مجاز‬ ‫حد‬ ‫از‬ ‫باالتر‬ (OEM ‫در‬ Bushing Bowls ‫منجر‬ ‫ناصحیح‬ ‫استقرار‬ ‫به‬ Slips ‫محل‬ ‫در‬ Bushing ‫درگیر‬ ‫به‬ ‫منجر‬ ‫با‬ ‫که‬ ‫شده‬ ‫در‬ ‫هم‬ ‫در‬ ‫آن‬ ‫اثرات‬ ‫که‬ ‫است‬ ‫شده‬ ‫سلیپس‬ ‫های‬ ‫دندانه‬ ‫از‬ ‫تعدادی‬ ‫شدن‬ ‫در‬ ‫هم‬ ‫و‬ ‫بدنه‬ Tool joint ‫به‬ ‫نیاز‬ ‫خصوص‬ ‫این‬ ‫در‬ ‫که‬ ‫است‬ ‫شده‬ ‫دیده‬ ‫باشد‬ ‫می‬ ‫بررسی‬ .  ‫بهبود‬ ‫راهکارهای‬ : ‫عملیات‬ ‫هنگام‬ ‫در‬ ‫پایین‬ ‫آچار‬ ‫از‬ ‫استفاده‬ Tripping ‫کردن‬ ‫تمیز‬ ‫و‬ ‫بررسی‬ Slips ‫و‬ ‫دندانه‬ ‫های‬ ‫آج‬ ‫بررسی‬ ‫آن‬ ‫های‬
  • 12. Neck of the drilling bowls WEARING
  • 13. Body bending - ‫حمل‬ ‫نوع‬ ‫این‬ ‫دالیل‬ ‫ترین‬ ‫اصلی‬ ‫و‬ ‫مهمترین‬ ‫نامناسب‬ ‫نقل‬ ‫و‬ ‫در‬ ‫اینکه‬ ‫به‬ ‫توجه‬ ‫با‬ ‫باشد‬ ‫می‬ ‫حفاری‬ ‫های‬ ‫لوله‬ ‫در‬ ‫خرابی‬ ‫ایجاد‬ ‫موجب‬ ‫که‬ ‫عملیاتهایی‬ ‫لوله‬ ‫این‬ ‫اخیر‬ ‫تاریخچه‬ ‫نیروهای‬ Compression ‫است‬ ‫نداشته‬ ‫وجود‬ ‫شوند‬ . - ‫نیاز‬ ‫نقل‬ ‫حمل‬ ‫و‬ ‫باربرداری‬ ،‫انتقال‬ ‫دستورالعمل‬ ‫تهیه‬ ‫به‬ ‫حفاری‬ ‫جارهای‬ ‫و‬ ‫ها‬ ‫لوله‬ ‫بخصوص‬ ‫حفاری‬ ‫رشته‬ ‫اجزای‬ ‫ایمن‬ ‫و‬ ‫باربرداری‬ ‫خاص‬ ‫تجهیزات‬ ،‫باندلینگ‬ ‫مجاز‬ ‫تعداد‬ ‫شامل‬ ‫و‬ ‫چوبی‬ ‫های‬ ‫گوه‬ ‫از‬ ‫استفاده‬ ‫پلیمری‬ – ‫فلزی‬ ‫و‬ ... - ‫ناصحیح‬ ‫انبارش‬ - ‫نیاز‬ ‫بازرسی‬ ‫در‬ ‫محتمل‬ ‫عوامل‬ ‫سایر‬ ‫خصوص‬ ‫در‬ ‫بیشتر‬ ‫بررسی‬ ‫به‬ ‫های‬ ‫بعدی‬
  • 14. ‫بازرسی‬ ‫مدیریت‬ ‫جهت‬ ‫گذاری‬ ‫شماره‬ ‫ها‬ ( ‫زاویه‬ ‫ناحیه‬ ‫در‬ 35 ‫شماره‬ ‫محل‬ ‫درجه‬ 1 ‫شکل‬ ‫در‬ ) ‫و‬ ‫برخی‬ ‫گذاری‬ ‫شماره‬ ‫خصوص‬ ‫این‬ ‫در‬ ‫که‬ ‫است‬ ‫الزم‬ ‫ها‬ ‫لوله‬ ‫بازرسی‬ ‫و‬ ‫کارکرد‬ ‫تاریخچه‬ ‫ردیابی‬ ‫کدینگ‬ ‫دارای‬ ‫شده‬ ‫انجام‬ ‫که‬ ‫هم‬ ‫هایی‬ ‫لوله‬ ‫گذاری‬ ‫شماره‬ ‫و‬ ‫نشده‬ ‫انجام‬ ‫ها‬ ‫لوله‬ ‫از‬ ‫باشد‬ ‫نمی‬ ‫یکپارچه‬ . ‫این‬ ‫است‬ ‫الزم‬ ‫عملیات‬ ‫واحد‬ ‫توسط‬ ‫سریعتر‬ ‫کارهرچه‬ ( ‫گردش‬ ‫در‬ ‫ابزار‬ ) Pipe Identification No.
  • 15. References: 1. Drill Pipe Troubleshooting Guidelines, NOV-VARCO TuboScope 2011, Drill pipe tips 2. DS-1@ Fourth Edition, Volume 3, Drill Stem lnspection,2016 3. NS-5 drill string Failure prevention standard booklet,2012 4. LIOYD Register, MODU SPEC drilling rig inspection workshop book , V.04, SPEC Academy, 2014 OKDC, Engineering Dept.