![Oak Grove_IMGP2105 Oak Grove (TX)](https://drennenengineering.com/wp-content/uploads/2020/06/Oak-Grove_IMGP2105.jpg)
Oak Grove (TX)
![PE Ash_IMGP1796 Asheville (NC)](https://drennenengineering.com/wp-content/uploads/2020/06/PE-Ash_IMGP1796.jpg)
Asheville (NC)
![TXU Martin Lake Martin Lake (TX)](https://drennenengineering.com/wp-content/uploads/2020/06/TXU-ML_JohnJoe_TXU_ML1.jpg)
Martin Lake (TX)
![SRP_IMGP3251 Navajo (AZ)](https://drennenengineering.com/wp-content/uploads/2020/06/SRP_IMGP3251.jpg)
Navajo (AZ)
![Sand U4_IMGP1645 Sandow (TX)](https://drennenengineering.com/wp-content/uploads/2020/06/Sand-U4_IMGP1645.jpg)
Sandow (TX)
![APSC_Mountains_IMGP0993 Farmington (NM)](https://drennenengineering.com/wp-content/uploads/2020/06/APSC_Mountains_IMGP0993.jpg)
Farmington (NM)
![KCPL_JFD_02 La Cygne, KA Pretest](https://drennenengineering.com/wp-content/uploads/2020/06/KCPL_JFD_02.jpg)
La Cygne, KA Pretest
![Pacificorp Hunt Can_IMGP00161 Manway](https://drennenengineering.com/wp-content/uploads/2020/06/Pacificorp-Hunt-Can_IMGP00161.jpg)
Manway
![PE Rox U2_IMGP0476 Test Cavity Entry](https://drennenengineering.com/wp-content/uploads/2020/06/PE-Rox-U2_IMGP0476.jpg)
Test Cavity Entry
![TXU ML_IMGP1490 CAVT In-progress (Rear Section)](https://drennenengineering.com/wp-content/uploads/2020/06/TXU-ML_IMGP1490.jpg)
CAVT In-progress (Rear Section)
![Singrauli_DSC02754 CAVT In-progress (Singrauli_India)](https://drennenengineering.com/wp-content/uploads/2020/06/Singrauli_DSC02754.jpg)
CAVT In-progress (Singrauli_India)
![APSC U4 JFD Measurement_IMGP1040 CAVT In-progress (Measuring Bank Outlet Velocity)](https://drennenengineering.com/wp-content/uploads/2020/06/APSC-U4-JFD-Measurement_IMGP1040.jpg)
CAVT In-progress (Measuring Bank Outlet Velocity)
![LG&E_2004_IMGP0081 Dusty Inspection](https://drennenengineering.com/wp-content/uploads/2020/06/LGE_2004_IMGP0081.jpg)
Dusty Inspection
![GGS U3 Smoke2_IMGP1297 Flow Visualization w/ Smoke](https://drennenengineering.com/wp-content/uploads/2020/06/GGS-U3-Smoke2_IMGP1297.jpg)
Flow Visualization w/ Smoke
![APSC U5_ Smoke_Smoke_12 Flow Visualization Smoke](https://drennenengineering.com/wp-content/uploads/2020/06/APSC-U5_-Smoke_Smoke_12.jpg)
Flow Visualization Smoke
![Brazil_UTLB5_2009_2_DSC04278 John Drennen](https://drennenengineering.com/wp-content/uploads/2020/06/Brazil_UTLB5_2009_2_DSC04278.jpg)
John Drennen
![GGS U2_TEST TEAM_0833 CAVT Team, Canada](https://drennenengineering.com/wp-content/uploads/2020/06/GGS-U2_TEST-TEAM_0833.jpg)
CAVT Team, Canada
![Rihand_Personnel_18 CAVT Team, India](https://drennenengineering.com/wp-content/uploads/2020/06/Rihand_Personnel_18.jpg)
CAVT Team, India
![Compostilla_IMGP0628 CAVT Team_Spain](https://drennenengineering.com/wp-content/uploads/2020/06/Compostilla_IMGP0628.jpg)
CAVT Team_Spain
![BRAZIL_UTLA1_2010_JFD_2305 CAVT complete, Brasil](https://drennenengineering.com/wp-content/uploads/2020/06/BRAZIL_UTLA1_2010_JFD_2305.jpg)
CAVT complete, Brasil
![SRP_DREN0206 PPE Demo](https://drennenengineering.com/wp-content/uploads/2020/06/SRP_DREN0206-scaled.jpg)
PPE Demo
![Sand U4_IMGP1102 Sandow (TX)](https://drennenengineering.com/wp-content/uploads/2020/06/Sand-U4_IMGP1102.jpg)
Sandow (TX)
![SRP_DREN0211 Navajo (AZ)](https://drennenengineering.com/wp-content/uploads/2020/06/SRP_DREN0211-scaled.jpg)
Navajo (AZ)
![Pacificorp Hunt Canyon_Plant_01 Huntington Canyon (UT)](https://drennenengineering.com/wp-content/uploads/2020/06/Pacificorp-Hunt-Canyon_Plant_01.jpg)
Huntington Canyon (UT)
![LG&E_2005_IMGP1144 Cane Run (KY)](https://drennenengineering.com/wp-content/uploads/2020/06/LGE_2005_IMGP1144-1-rotated.jpg)
Cane Run (KY)
![PE Rox U4_IMGP1862 Roxboro (NC)](https://drennenengineering.com/wp-content/uploads/2020/06/PE-Rox-U4_IMGP1862.jpg)
Roxboro (NC)
![Brazil_2010_UTLA5_MGP2224 Tubaro, Brasil](https://drennenengineering.com/wp-content/uploads/2020/06/Brazil_2010_UTLA5_MGP2224.jpg)
Tubaro, Brasil
![Vindhychal_Staff_01 Vindhychal, India](https://drennenengineering.com/wp-content/uploads/2020/06/Vindhychal_Staff_01.jpg)
Vindhychal, India
![PE Rox U$_IMGP1923 Roxboro (NC)](https://drennenengineering.com/wp-content/uploads/2020/06/PE-Rox-U_IMGP1923.jpg)
Roxboro (NC)
![Duke_BCSS_2016_IMGP0399 CAVT Cavity (Front)](https://drennenengineering.com/wp-content/uploads/2020/06/Duke_BCSS_2016_IMGP0399-1-scaled.jpg)
CAVT Cavity (Front)
![TXU ML_IMGP1410 CAVT Inspection, In-Progress](https://drennenengineering.com/wp-content/uploads/2020/06/TXU-ML_IMGP1410.jpg)
CAVT Inspection, In-Progress
![Pacificorp Hunt_Lower Econ_17 Fin Tube Economizer (Center Cavity)](https://drennenengineering.com/wp-content/uploads/2020/06/Pacificorp-Hunt_Lower-Econ_17.jpg)
Fin Tube Economizer (Center Cavity)
![Singrauli_DSC02753 CAVT In-progress (Singrauli_India)](https://drennenengineering.com/wp-content/uploads/2020/06/Singrauli_DSC02753.jpg)
CAVT In-progress (Singrauli_India)
![Pacificorp Hunt Can_003_3 Pile of fly ash](https://drennenengineering.com/wp-content/uploads/2020/06/Pacificorp-Hunt-Can_003_3.jpg)
Pile of fly ash
![GGS U3_Smoke_IMGP1295 Blurry Smoke Photo](https://drennenengineering.com/wp-content/uploads/2020/06/GGS-U3_Smoke_IMGP1295.jpg)
Blurry Smoke Photo
![Mont U2 IMGP2020 CAVT Completed](https://drennenengineering.com/wp-content/uploads/2020/06/Mont-U2-IMGP2020.jpg)
CAVT Completed
![Teruel_IMGP1612 CAVT Team, Spain](https://drennenengineering.com/wp-content/uploads/2020/06/Teruel_IMGP1612.jpg)
CAVT Team, Spain
![GGS_2005_IMGP0831 CAVT Team, Canada](https://drennenengineering.com/wp-content/uploads/2020/06/GGS_2005_IMGP0831.jpg)
CAVT Team, Canada
![Dadri, India_Test Team 01A CAVT Team, India](https://drennenengineering.com/wp-content/uploads/2020/06/Dadri-India_Test-Team-01A.jpg)
CAVT Team, India
![LG&E_2005_IMGP1140 FAE Baffle Installation](https://drennenengineering.com/wp-content/uploads/2020/06/LGE_2005_IMGP1140.jpg)
FAE Baffle Installation
![LG&E_2005_Sparks_IMGP1166 FAE Baffle Installation](https://drennenengineering.com/wp-content/uploads/2020/06/LGE_2005_Sparks_IMGP1166-1.jpg)
FAE Baffle Installation
![Compostilla_IMGP0558 Compostilla, Spain](https://drennenengineering.com/wp-content/uploads/2020/06/Compostilla_IMGP0558.jpg)
Compostilla, Spain
![GGS_2005_IMGP0783 Edmonton](https://drennenengineering.com/wp-content/uploads/2020/06/GGS_2005_IMGP0783.jpg)
Edmonton