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PHOTO #4 Removed tube sample
![SulfidicCorrosion5b.jpg](https://static.wixstatic.com/media/d5bb8a_33b564d775094356a53be73cedc51ad4~mv2.jpg/v1/fill/w_580,h_430,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/SulfidicCorrosion5b.jpg)
NOTE: Failure in tube
PHOTO #4
Bottom Half - Note Minimal Corrosion
Liquid
PHOTO #5 Severe groove depth adjacent
to edge of support
![SulfidicCorrosion7.JPG](https://static.wixstatic.com/media/d5bb8a_c5235fd6902f40cd9619fd098713d98a~mv2.jpg/v1/crop/x_22,y_0,w_980,h_768/fill/w_560,h_430,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/SulfidicCorrosion7_JPG.jpg)
PHOTO #6
![SulfidicCorrosion8b.jpg](https://static.wixstatic.com/media/d5bb8a_1c5530bfde574f24be2d62d24a6d3509~mv2.jpg/v1/fill/w_580,h_430,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/SulfidicCorrosion8b.jpg)
PHOTO #7
![SulfidicCorrosion9b.jpg](https://static.wixstatic.com/media/d5bb8a_d323f3b5db1347eeaafb911a28824343~mv2.jpg/v1/fill/w_580,h_430,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/SulfidicCorrosion9b.jpg)
PHOTO #8
![](https://static.wixstatic.com/media/d5bb8a_1c4590b7aa2f41ca908a4b214296dd50~mv2.jpg/v1/fill/w_560,h_410,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_1c4590b7aa2f41ca908a4b214296dd50~mv2.jpg)
PHOTO #5
Top Half - Note Corrosion
![](https://static.wixstatic.com/media/d5bb8a_0dc1057b13a2499391815f0a43b6970b~mv2.jpg/v1/fill/w_560,h_410,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_0dc1057b13a2499391815f0a43b6970b~mv2.jpg)
PHOTO #6
Bottom Half - Note Minimal Corrosion
![](https://static.wixstatic.com/media/d5bb8a_ec25c21643744de7bb0cf28f99aa6527~mv2.jpg/v1/fill/w_560,h_410,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_ec25c21643744de7bb0cf28f99aa6527~mv2.jpg)
PHOTO #7 Cross Section
Tube split to show top & bottom
-
Left & right sides show minimal corrosion. Liquid covered.
-
Inner left & right (top circumference of tube) show heavy corrosion. Liquid/Vapor.
![](https://static.wixstatic.com/media/d5bb8a_d8c76b573cd743b18652b62c3881c671~mv2.jpg/v1/crop/x_11,y_0,w_600,h_450/fill/w_560,h_410,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_d8c76b573cd743b18652b62c3881c671~mv2.jpg)
PHOTO #8
Top Half - Note Corrosion
![](https://static.wixstatic.com/media/d5bb8a_5796e914f341414cb1f93d580b879c46~mv2.jpg/v1/fill/w_560,h_410,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_5796e914f341414cb1f93d580b879c46~mv2.jpg)
Unexpected Tube Failure in
HDS Stripper OVHD Air Cooler
chronicle companion images
![](https://static.wixstatic.com/media/d5bb8a_5960bd78a8b346eab3d9897ddfd33c7d~mv2.jpg/v1/fill/w_560,h_410,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_5960bd78a8b346eab3d9897ddfd33c7d~mv2.jpg)
PHOTO #2
![](https://static.wixstatic.com/media/d5bb8a_c9ee570ed66948b288584b4c2d5ead1e~mv2.jpg/v1/crop/x_6,y_0,w_629,h_480/fill/w_560,h_418,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/d5bb8a_c9ee570ed66948b288584b4c2d5ead1e~mv2.jpg)
NOTE: Close up of Failure
PHOTO #1
Top half of tube looking at failure
PHOTO #3
Top Half of Tubing - Note Corrosion
Liquid/Vapor
Tube Failure in Fractionator Bottoms Reboiler
chronicle companion images
![Chron29-01cCrp.png](https://static.wixstatic.com/media/d5bb8a_36d1b8fcabc64ae39a479afa0e76f9a7~mv2.png/v1/fill/w_546,h_451,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/Chron29-01cCrp.png)
IMAGE #2
View of Tube Sheet Map with Locations of Affected Tubing
![Chron29-02bCrp.png](https://static.wixstatic.com/media/d5bb8a_30873fd0fd4d4b759a0c3534b6e4bf09~mv2_d_2026_1906_s_2.png/v1/fill/w_578,h_542,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/Chron29-02bCrp.png)
IMAGE #3
View of Defect with Support Being Moved to Show Defect
![Chron29-03c.png](https://static.wixstatic.com/media/d5bb8a_164442c2e74a4ab68cc63328fd658993~mv2.png/v1/fill/w_57,h_43,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-03c.png)
Crack defect
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IMAGE #1
IMAGE #4
View of Tube Failure Under Support Structure
(Failed while moving support structure)
![Chron29-04c.png](https://static.wixstatic.com/media/d5bb8a_d194eab664d1423dbf88df76f32b851d~mv2.png/v1/fill/w_57,h_43,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-04c.png)
Crack defect
U-bend sections of tubing
IMAGE #5
Another View of Tube Failure Under Support Structure
(Failed while moving support structure)
![Chron29-05c.png](https://static.wixstatic.com/media/d5bb8a_8bd26d174d97404490d9cde24caaf261~mv2.png/v1/fill/w_57,h_43,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-05c.png)
IMAGE #6
3D View of Exchanger
![Chron29-06aCrp.png](https://static.wixstatic.com/media/d5bb8a_2755a8f1155d43af99edb92e27c52fba~mv2_d_5100_5183_s_4_2.png/v1/fill/w_58,h_59,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-06aCrp.png)
SCREEN SHOTS
RFEC absolute calibration tube
RFEC calibration Tube
![RFEC1 absolute calibration tube..jpg](https://static.wixstatic.com/media/d5bb8a_ca7ce27f60744d468b14019e88bf64ce~mv2.jpg/v1/fill/w_117,h_83,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/RFEC1%20absolute%20calibration%20tube_.jpg)
![RFEC2 calibration Tube..jpg](https://static.wixstatic.com/media/d5bb8a_50fef7e6908d4698a25ea89cf05eb1fd~mv2.jpg/v1/fill/w_117,h_83,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/RFEC2%20calibration%20Tube_.jpg)
RFEC channel 3, 85% wall loss defect to the last support
![RFEC4 channel 3, supports in full contac](https://static.wixstatic.com/media/d5bb8a_1b000c1d435249a9903731c7b39792cc~mv2.jpg/v1/fill/w_117,h_75,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/RFEC4%20channel%203%2C%20supports%20in%20full%20contac.jpg)
RFEC channel 3, supports in full contact and proper alignment
![RFEC4 channel 3, supports in full contac](https://static.wixstatic.com/media/d5bb8a_1b000c1d435249a9903731c7b39792cc~mv2.jpg/v1/fill/w_117,h_75,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/RFEC4%20channel%203%2C%20supports%20in%20full%20contac.jpg)
ADDITIONAL IMAGES
![Chron29-07C.png](https://static.wixstatic.com/media/d5bb8a_f11435991b554eb3bf7d36ae23bb4cd4~mv2.png/v1/fill/w_111,h_84,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-07C.png)
![Chron29-08C.png](https://static.wixstatic.com/media/d5bb8a_876bc8755ff1401a817638ddf5a71dd1~mv2.png/v1/fill/w_112,h_84,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-08C.png)
![Chron29-09c.png](https://static.wixstatic.com/media/d5bb8a_20a9a46328144ac998add881af78b8c5~mv2.png/v1/fill/w_61,h_46,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-09c.png)
![Chron29-10c.png](https://static.wixstatic.com/media/d5bb8a_38d4ac22994f4031bc15e004a53e3adf~mv2.png/v1/fill/w_74,h_56,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-10c.png)
![Chron29-11c.png](https://static.wixstatic.com/media/d5bb8a_051fc72d37eb44598ea3638f3825302b~mv2.png/v1/fill/w_75,h_56,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-11c.png)
![Chron29-12c.png](https://static.wixstatic.com/media/d5bb8a_c6c556ec01574e93a63055d1a59361ea~mv2.png/v1/fill/w_113,h_84,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-12c.png)
![Chron29-13c.png](https://static.wixstatic.com/media/d5bb8a_1d897f51cce8444696521e92fb5347aa~mv2.png/v1/fill/w_113,h_84,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-13c.png)
![Chron29-14a.JPG](https://static.wixstatic.com/media/d5bb8a_9b81fbc262dc4594afdf153e3eacd78d~mv2.jpg/v1/fill/w_91,h_69,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-14a_JPG.jpg)
![Chron29-15cCrp.png](https://static.wixstatic.com/media/d5bb8a_e1daa651fb674793af9e1085672f81e0~mv2.png/v1/fill/w_51,h_51,al_c,q_85,usm_0.66_1.00_0.01,blur_2,enc_auto/Chron29-15cCrp.png)
INSPECTION PHOTOS
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