diff --git a/changelog.txt b/changelog.txt
index d8b092b7..f6aaebeb 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -7,6 +7,7 @@ Date: ???
     - Drilling fluid mk04 now correctly requires military tech.
     - removed the tar to heavy oil direct recipe
     - added decentralised PyPP cache file
+    - greatly increased the fluidbox size for natural gas extractors, oil derricks, and tar extractors (https://github.com/pyanodon/pybugreports/issues/323)
 ---------------------------------------------------------------------------------------------------
 Version: 2.1.10
 Date: 2023-9-3
diff --git a/prototypes/buildings/natural-gas-extractor-mk01.lua b/prototypes/buildings/natural-gas-extractor-mk01.lua
index b8669b70..d023f07f 100644
--- a/prototypes/buildings/natural-gas-extractor-mk01.lua
+++ b/prototypes/buildings/natural-gas-extractor-mk01.lua
@@ -49,7 +49,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 10,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_connections =
diff --git a/prototypes/buildings/natural-gas-extractor-mk02.lua b/prototypes/buildings/natural-gas-extractor-mk02.lua
index 8c26e8c0..1dc4bfb3 100644
--- a/prototypes/buildings/natural-gas-extractor-mk02.lua
+++ b/prototypes/buildings/natural-gas-extractor-mk02.lua
@@ -52,7 +52,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 20,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_connections =
diff --git a/prototypes/buildings/natural-gas-extractor-mk03.lua b/prototypes/buildings/natural-gas-extractor-mk03.lua
index 23f18298..f24cf42a 100644
--- a/prototypes/buildings/natural-gas-extractor-mk03.lua
+++ b/prototypes/buildings/natural-gas-extractor-mk03.lua
@@ -52,7 +52,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 30,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_connections =
diff --git a/prototypes/buildings/natural-gas-extractor-mk04.lua b/prototypes/buildings/natural-gas-extractor-mk04.lua
index f49ab346..7b1f66f5 100644
--- a/prototypes/buildings/natural-gas-extractor-mk04.lua
+++ b/prototypes/buildings/natural-gas-extractor-mk04.lua
@@ -49,7 +49,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 40,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_connections =
diff --git a/prototypes/buildings/oil-derrick-mk01.lua b/prototypes/buildings/oil-derrick-mk01.lua
index c5bfb6cd..65a9a3be 100644
--- a/prototypes/buildings/oil-derrick-mk01.lua
+++ b/prototypes/buildings/oil-derrick-mk01.lua
@@ -53,7 +53,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 10,
       base_level = 1,
       --height = 10,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
diff --git a/prototypes/buildings/oil-derrick-mk02.lua b/prototypes/buildings/oil-derrick-mk02.lua
index 5f27686f..1998eeca 100644
--- a/prototypes/buildings/oil-derrick-mk02.lua
+++ b/prototypes/buildings/oil-derrick-mk02.lua
@@ -56,7 +56,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-        base_area = 3,
+        base_area = 20,
         base_level = 1,
         --height = 10,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
diff --git a/prototypes/buildings/oil-derrick-mk03.lua b/prototypes/buildings/oil-derrick-mk03.lua
index a0173af9..a3afd2c5 100644
--- a/prototypes/buildings/oil-derrick-mk03.lua
+++ b/prototypes/buildings/oil-derrick-mk03.lua
@@ -55,7 +55,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-        base_area = 6,
+        base_area = 30,
         base_level = 1,
         --height = 10,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
diff --git a/prototypes/buildings/oil-derrick-mk04.lua b/prototypes/buildings/oil-derrick-mk04.lua
index 9cad225a..cfbe42ef 100644
--- a/prototypes/buildings/oil-derrick-mk04.lua
+++ b/prototypes/buildings/oil-derrick-mk04.lua
@@ -50,7 +50,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-        base_area = 10,
+        base_area = 40,
         base_level = 1,
         --height = 10,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
diff --git a/prototypes/buildings/tar-extractor-mk01.lua b/prototypes/buildings/tar-extractor-mk01.lua
index 6f9b0902..9c52eb80 100644
--- a/prototypes/buildings/tar-extractor-mk01.lua
+++ b/prototypes/buildings/tar-extractor-mk01.lua
@@ -53,7 +53,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 10,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_picture = DATA.Pipes.pictures("assembling-machine-2", nil, {0.0, -0.96}, nil, nil),
diff --git a/prototypes/buildings/tar-extractor-mk02.lua b/prototypes/buildings/tar-extractor-mk02.lua
index 4584efe7..2ba6d4b6 100644
--- a/prototypes/buildings/tar-extractor-mk02.lua
+++ b/prototypes/buildings/tar-extractor-mk02.lua
@@ -52,7 +52,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 20,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_picture = DATA.Pipes.pictures("assembling-machine-2", nil, {0.0, -0.96}, nil, nil),
diff --git a/prototypes/buildings/tar-extractor-mk03.lua b/prototypes/buildings/tar-extractor-mk03.lua
index 336a03e5..7fcebc04 100644
--- a/prototypes/buildings/tar-extractor-mk03.lua
+++ b/prototypes/buildings/tar-extractor-mk03.lua
@@ -53,7 +53,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 30,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_picture = DATA.Pipes.pictures("assembling-machine-2", nil, {0.0, -0.96}, nil, nil),
diff --git a/prototypes/buildings/tar-extractor-mk04.lua b/prototypes/buildings/tar-extractor-mk04.lua
index 3d435715..53c007df 100644
--- a/prototypes/buildings/tar-extractor-mk04.lua
+++ b/prototypes/buildings/tar-extractor-mk04.lua
@@ -52,7 +52,7 @@ ENTITY {
     },
     output_fluid_box =
     {
-      base_area = 1,
+      base_area = 40,
       base_level = 1,
       pipe_covers = DATA.Pipes.covers(false, true, true, true),
       pipe_picture = DATA.Pipes.pictures("assembling-machine-2", nil, {0.0, -0.96}, nil, nil),