PRAC Project Phase III: Sour Service Evaluation of ISO TR 10400 FAD Equation

API Production Research Advisory CommitteePete Moore – API PRAC Chairman

Peter Ellis – Program Manager

PRAC III C110 Test Pipe Were Donated and Shipped to Honeywell by Tenaris

Detailed Mill Test ReportDocumenting the Pipe

Characterization Attributes

3

PRAC III – Phase 3 Details

• Testing Details:

NACE Standard TM0177 Method A – Tensile tests complete

NACE Standard TM0177 Method D – DCB tests complete

Mini/Tiny-Pipe SSC Tests – Machining Complete

– EDM Notch cutting Complete – H2S Depletion test Complete

– Klimit in 7% H2S solution, In-progress – Tiny Pipe testing, expected to begin 4th Qtr 2013

Full Scale Tests with Man-made OD Surface Imperfections• ID/OD and OD only or ID only H2S Exposure – Pressurized ID

environment and OD exposure with replenishment/purging of 7% H2S in solution held in annular volume between plastic sleeve and OD of sample.

– Testing to begin 2nd quarter 2014

Machining of Tiny Pipe Complete EDM Notching Complete

EDM OD NotchEDM OD Notch

~ 4 inches~ 4 inches

Tiny Pipe H2S Depletion Test

Tiny Pipe H2S Depletion Test

4.05, 51.09

0, 85.15

4.05, 68.12

0, 173.3

0

20

40

60

80

100

120

140

160

180

200

0 1 2 3 4 5 6

Hours

pp

m H

2S

40% Depletion

60% Depletion

Soaked in 100% H2S for 17.72 hours, then flushed with distilled H2O

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

% K

limit

Inte

rnal

Pre

ssur

e

Time in Days

Load and Refresh Schedule

7% NACE A Enviroment

0

10

20

30

40

50

60

70

80

90

100

110

120

130

140

150

160

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

% K

limit

Inte

rnal

Pre

ssur

e

Time in Days

Load and ID Refresh Schedule

100%NACE-A

7%NACE-A

Testing of Full Size PipeTo Begin 2nd Quarter 2014