diff --git a/ground/oil_sea.arc b/ground/oil_sea.arc
new file mode 100644
index 000000000..6bbd54f3f
--- /dev/null
+++ b/ground/oil_sea.arc
@@ -0,0 +1,23 @@
+Object oil_sea
+face oil_sea.111
+anim
+oil_sea.111
+oil_sea.112
+oil_sea.113
+oil_sea.114
+oil_sea.113
+oil_sea.112
+mina
+magicmap blue
+smoothlevel 16
+smoothface oil_sea.111 oil_sea_S.111
+smoothface oil_sea.112 oil_sea_S.112
+smoothface oil_sea.113 oil_sea_S.113
+smoothface oil_sea.114 oil_sea_S.114
+speed 0.1
+no_pass 1
+no_pick 1
+is_water 1
+editable 8
+is_floor 1
+end
diff --git a/ground/oil_sea.base.111.png b/ground/oil_sea.base.111.png
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diff --git a/ground/oil_sea.base.112.png b/ground/oil_sea.base.112.png
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diff --git a/ground/oil_sea.base.113.png b/ground/oil_sea.base.113.png
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diff --git a/ground/oil_sea.base.114.png b/ground/oil_sea.base.114.png
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