Drill Collar Specifications Pdf. Vam drilling spiral drill collar 6.500” x 87.35 lb/ft nc50 range 2 specification oem vam drilling country of origin france nominal od 6 1/2” (6.500”) nominal id 2 13/16” (2.8125”) steel grade aisi 4145h modified nominal weight 87.00# nominal wall thickness 1.844” drift size 2 11/16” (2.6875”) hardbanding none ipc none pin length n/a 42 ± 1 a 61/
Drill collar productive process as following: Moment of inertia drill collar body (in^4): Applications §drilling weight is the primary application of drill collars.
Lower Than Maximum Mut Should Only Be Used When Mut Is Limited By Rig Equipment Or Connection Tensile.
Steel drill collars sb darron drill collars are manufactured from chromium, molybdenum alloy steel conforming to. • slick • flex • spiral • pony Polar moment of inertia drill collar body (in^4):
42 ± 1 A 61/
Applications §drilling weight is the primary application of drill collars. Drill pipe & drill collar classifications standard drill pipe, drill collar, heavy weight & subs color codes class 1 new premium class premium class class 2 class 3 class 4 remaining wall o.d reduction cuts and gouges (excluding sharp bottom transverse) minimum wall thickness mashes stretch slip area 87½% 80% 80% 80% 80% 3% of o.d. Od bore length bending strength ratio*** drill collar wt.
Drill Collar Productive Process As Following:
Standard sizes, bores and connections for drill collars rdt inc. Nm spiral drill collar dimensions nm spiral drill collar dimensions technical details technical details outside diameter (od) in 4.750 in sq 17.721 inside diameter (id) in 2.250 in sq 3.976 in 18⁰ in cu 9.992 lbs/ft 46.73 in cu 19.984 in sq 13.744 connection drill collar assembly connection type nc38 adjusted weight lbs 46.70 37 torsional bending total weight weight/foot total weight weight/foot od.
Unit 3 1/8 Od None Ft 31 Mtr 9,45 Inch Na Inch Na Inch Na Inch Na Inch Na Gal/Ft 0,307 L/M 3,83 Gal/Ft 0,092 L/M 1,15 Gal/Ft 0,399 L/M 4,98 Lbs 650 Kg 295
Drill collar availablility and description. The buoyed weight of a typical drill collar string is approximately 15% more than the maximum wob required for optimum bit performance, ensuring that enough drill collars are run in. Lower than minimum mut should never be used.
Here In This Article, We Shall Introduce To You Two Versions Of Baker Hughes Christensen Drill Bits Spec Sheets & Catalog Pdf To Download.
Spiral grooved drill collar specifications size o.d. This article is a part of the series explaining drilling bottom hole assembly components, types & mechanism. What is the functions of drill collars: