TH Hill DS 1 Category 1 - 5 Inspection
    
Method No. Description
01 Visual Pipe Inspection
02 OD Inspection
03 UT wall thickness measurement
04 EMI with Longitudinal field (Transverse flaw detection by Spectagraph-2000)
05 EMI with Longitudinal field and Gamma ray wall thickness measurement (Scanalog-100 + Scanawall)
06 MPI Slip/ Upset using active field AC Yoke Dry MPI
07

UT Slip/ Upset inspection

08

Elevator Grooves inspection

09

Visual Connection
10

Dimensional inspection of Box OD, Pin ID, shoulder width, tong space and Box counter bore.
11

Method no.10 plus Pin lead, counter bore depth, pin flat length, bevel diameter, seal width and shoulder flatness.
12

Dimensional inspection of Box OD, Pin ID, pin lead, bevel dia, pin stress relief diameter and width, boreback cylinder dia and thread length and HWDP center upset diameter.
13

Black light inspection with Fluorescent wet MPI using active DC current.
14

UT connection
15

Liquid Penetrant Inspection
 
CATEGORY WISE INSPECTION PROGRAMME
Product Category-1
 Category-2 Category-3 Category-4 Category-5
Toll Joint

Method 9

 Method 9, 10 Method 9, 10 Method 9, 11 Method 9, 11, 13
Drill Pipes Method 1 Method 1, 2, 3 Method 1, 2, 3, 4 Method 1, 2, 3, 4, 6 Method 1, 2, 4, 5, 6, 7
Drill Collar Method 8, 9 Method 8, 9, 13 Method 8, 9, 12, 13 Method 8, 9, 12, 13 Method 8, 9, 12, 13
HWDP Method 1 Method 1 Method 1, 6 Method 1, 6 Method 1, 6