diff --git a/res/GAMES.CONF b/res/GAMES.CONF
index 8e40e163f..7fd709609 100755
--- a/res/GAMES.CONF
+++ b/res/GAMES.CONF
@@ -235,6 +235,7 @@
 0000,NI=Nightmare Gallery
 0000,N.O.R.A.D
 0001,OID.ZONE
+1001,OI=Oil's Well
 1000,ON.THE.RUN
 0000,ORBITRON
 0000,OM=O'Riley's Mine
diff --git a/res/TITLE.HGR/OI b/res/TITLE.HGR/OI
new file mode 100644
index 000000000..2baaeff95
Binary files /dev/null and b/res/TITLE.HGR/OI differ
diff --git a/res/TITLE.HGR/_FileInformation.txt b/res/TITLE.HGR/_FileInformation.txt
index b3d25fdef..fbe879f04 100644
--- a/res/TITLE.HGR/_FileInformation.txt
+++ b/res/TITLE.HGR/_FileInformation.txt
@@ -227,6 +227,7 @@ NIBBLER=Type(06),AuxType(4000),Access(C3)
 NIGHT.STALKER=Type(06),AuxType(4000),Access(C3)
 NM=Type(06),AuxType(4000),Access(C3)
 NT=Type(06),AuxType(4000),Access(C3)
+OI=Type(06),AuxType(4000),Access(C3)
 OID.ZONE=Type(06),AuxType(4000),Access(C3)
 OM=Type(06),AuxType(4000),Access(C3)
 ON.THE.RUN=Type(06),AuxType(4000),Access(C3)
diff --git a/res/dsk/oil's well PRODOS (san inc pack).po b/res/dsk/oil's well PRODOS (san inc pack).po
new file mode 100644
index 000000000..371ba2d01
Binary files /dev/null and b/res/dsk/oil's well PRODOS (san inc pack).po differ
diff --git a/res/notes/wishlist.txt b/res/notes/wishlist.txt
index 4d6bcb99a..294f32ac3 100644
--- a/res/notes/wishlist.txt
+++ b/res/notes/wishlist.txt
@@ -1,6 +1,5 @@
 //4am crack
 Cavern Creatures
-Oil's Well
 
 //flux but no woz
 Grapple (In-Soft)
diff --git a/src/constants.a b/src/constants.a
index 0040591dc..be8126d9b 100644
--- a/src/constants.a
+++ b/src/constants.a
@@ -6,7 +6,7 @@
 ; YE OLDE GRAND UNIFIED MEMORY MAP
 ;
 ; LC RAM BANK 1
-; D000..E7D2 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
+; D000..E7F4 - persistent data structures (gGlobalPrefsStore, gGamesListStore)
 ; E9EE..FFEE - main program code
 ; FFEF..FFF9 - API functions and global constants available for main program
 ;              code, prelaunchers, transition effects, &c.
diff --git a/src/prelaunch/oils.well.a b/src/prelaunch/oils.well.a
new file mode 100644
index 000000000..017c47654
--- /dev/null
+++ b/src/prelaunch/oils.well.a
@@ -0,0 +1,59 @@
+;license:MIT
+;(c) 2021 by qkumba
+
+!cpu 6502
+!to "build/PRELAUNCH.INDEXED/OI",plain
+*=$106
+
+    !source "src/prelaunch/common.a"
+
+         jmp   main
+
+callback2
+         jsr   $BD5F
+         jsr   $BD09
+         lda   $B7EC
+         cmp   #$10
+         bne   +
+         lda   $B7ED
+         cmp   #9
+         bne   +
+         lda   #$AD
+         sta   $159F
+         sta   $15C3
++        pla
+         pla
+         clc
+         rts
+
+main
+         +ENABLE_ACCEL
+         +USES_TEXT_PAGE_2
+         lda   #$60
+         sta   $9EF
+         jsr   $800        ; find and load "DOS"
+         lda   #<callback1
+         sta   $B748
+         lda   #>callback1
+         sta   $B749
+         jmp   $B700
+
+callback1
+         ldx   #$00
+         stx   $9E52
+         inx
+         stx   $9E53
+         +GET_MACHINE_STATUS
+         and   #CHEATS_ENABLED
+         beq   +
+         lda   #<callback2
+         sta   $BD07
+         lda   #>callback2
+         sta   $BD08
++
+         +DISABLE_ACCEL
+         jmp   $9D84
+
+!if * > $1C0 {
+  !error "code is too large, ends at ", *
+}