Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`PERFORATING GUN WITH INTEGRATED INITIATOR
`
`=
`
`
`
` FIELD OF TH NVENTION
`
`
`
`
`
`
`The present
`
`
`invention relates generally to a perforating
`
`gun assembly having an integrated initiator.
`
`=
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`DETAILED DESCRIPTION OF EMBODIMENTS OF THE PRES
`
`T
`
`ENT DISCLOSURI bs mbodiments of
`
`
`
`the
`
`present
`
`invention are shown in Figures
`
`1-6 below.
`
`Bulkhead
`
`
`
`
`
`Shock Absorber
`gasket between
`bulkhead and
`loading tube
`.
`Upper
`ConnectorA
`
`ssembly
`
`Leadinz
`Tube
`assembtyis
`installed
`from
`bottom. No
`wiring is
`necessaryin
`field
`
`Lower
`
`Cutaway
`Centralizing
`
`
`
`provides
`Stor in
`
`
`
`access to
`Bulkhead
`
`
`connect
`Centralizes
`
`
`
`initiatorto
`nd aliens
`
`
`
`
`internal
`loading mibe
`
`
`
`harness in
`
`
`eld
`
`
`
`
`
`Centralizing
`initiator
`Feature on
`Assembly
`
`bulkhead with
`Standard
`Standard
`Electrical Wire Helder
`lead in
`Charge Jacket
`Detonator
`holes route the wires
`Cenralizes
`and aligns
`Holders adapt
`Cord Slots
`along dedicated helical
`loadingtube
`loading nbe to
`path inside loading
`assembly
`different charge
`tube. This protects
`when inserted
`sizes
`wires from being
`from bottom
`pinched by chargesor
`between loading tube
`and carrier and
`prevents shock damage
`6 wites byproviding
`stain relict. Pre-
`;
`assembled coaxial a
`twisted pair cables
`with integrated
`connectors provide
`improved signal
`quality, noise
`iramumity and
`mechanical
`ruggedness. Clips also
`provide centralization
`tor loading tube.
`
`Coaxial Peedthru
`holds pressure in
`both directions
`
`Fig. 1: Steel loading tube design
`
`1
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 001
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 001
`
`
`Attorney Docket Number IS12.3369-US-PSP
`
`PERFORATING GUN WITH INTEGRATED INITIATOR
`
`=
`
`
`
` FIELD OF TH NVENTION
`
`
`
`
`
`
`The present
`
`
`invention relates generally to a perforating
`
`gun assembly having an integrated initiator.
`
`=
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`
`DETAILED DESCRIPTION OF EMBODIMENTS OF THE PRES
`
`T
`
`ENT DISCLOSURI bs mbodiments of
`
`
`
`the
`
`present
`
`invention are shown in Figures
`
`1-6 below.
`
`Bulkhead
`
`
`
`
`
`Shock Absorber
`gasket between
`bulkhead and
`loading tube
`.
`Upper
`ConnectorA
`
`ssembly
`
`Leadinz
`Tube
`assembtyis
`installed
`from
`bottom. No
`wiring is
`necessaryin
`field
`
`Lower
`
`Cutaway
`Centralizing
`
`
`
`provides
`Stor in
`
`
`
`access to
`Bulkhead
`
`
`connect
`Centralizes
`
`
`
`initiatorto
`nd aliens
`
`
`
`
`internal
`loading mibe
`
`
`
`harness in
`
`
`eld
`
`
`
`
`
`Centralizing
`initiator
`Feature on
`Assembly
`
`bulkhead with
`Standard
`Standard
`Electrical Wire Helder
`lead in
`Charge Jacket
`Detonator
`holes route the wires
`Cenralizes
`and aligns
`Holders adapt
`Cord Slots
`along dedicated helical
`loadingtube
`loading nbe to
`path inside loading
`assembly
`different charge
`tube. This protects
`when inserted
`sizes
`wires from being
`from bottom
`pinched by chargesor
`between loading tube
`and carrier and
`prevents shock damage
`6 wites byproviding
`stain relict. Pre-
`;
`assembled coaxial a
`twisted pair cables
`with integrated
`connectors provide
`improved signal
`quality, noise
`iramumity and
`mechanical
`ruggedness. Clips also
`provide centralization
`tor loading tube.
`
`Coaxial Peedthru
`holds pressure in
`both directions
`
`Fig. 1: Steel loading tube design
`
`1
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 001
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 001
`
`
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`Initiator
`Assembly
`
`Charges
`
`Loading
`Tube
`
`Upper
`Connector
`
`Lower
`
`Cannector
`
`Fig, 2: Fully assembled Steel Loading Tube
`
`Upper
`Counector
`Retaining
`Tabs
`
`
`
`
`
`
`
`
`
`
`
`
`Fig. 3: Overviewof the Gun system (shown with previous plastic loading tube design}
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 002
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 002
`
`
`
`Retaining tabs built into the plastic are
`squeezed togetherto insert assemblyinto
`loading tube then pop out when they reach
`holes in loading tube. (also at upper
`connector assembly)
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`Ballistic Interrupt Shutter
`safeguards against
`unintended detonation until
`acommand is sent to
`release the shutter
`
`
`
`(not shown} a pin
`or plastic retainer
`is inserted here to
`
`support harness
`connector and
`bottom charge
`and protect
`initiator during
`shock
`
`Detonator
`Card
`
`ALG
`Detonator
`
`Lead in centralizes to
`
`bulkhead may add shock
`absorber flange ‘pasket
`here}
`
`An elastomer gasket andvor plast
`flange may be added here as a shock
`absorber between loading mbe and
`buikhead
`
`Cutawayin loading tbe provides
`access to connect detonator and ta
`connect defonator cord te initiator.
`
`2"4 culawayprovides access to
` it
`connect initiator to through
`wire hamess.
`
`“IDC” push-in connectors to connect detonator
`wires to the Eclipse circuit board. The eclipse
`board contains an addressable switch which
`communicaies with the surface computer and
`comnects the detonator to the cable on command.
`The eclipse can alternatively route cable powerto
`the gun/tool below. The eclipse board also
`records diagnostic information while firme such
`as cable voltage during firing.
`
`lf required — two eclipse initiators could be
`deployed — one at each end of the loading fulre -
`fo provide redundancyfor more reliable firing.
`
`A Julia (secure} board which has an RF safe
`design using an EFI can be used instead of the
`Eclipse board
`
`Fig, 4: EcHipse initiater
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 003
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 003
`
`
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`initiator,
`
`coanial
`connector at
`
`end of Eclipse
`
`Wire Halder paps
`imto Boles in
`loading frbe and
`also acts as a
`standotf and
`cemtralizer to
`centralize the
`loading tebe mide
`the carrier
`
`
`
`The plastic has a 30-
`degree lead in so that if ts
`centralized by a circular
`slot in the bulkhead
`
`Cntaway provides access to connect te
`through wire harness. Connector is spring
`latched so & camnat disconnect in
`shock/vibration.
`
`This may be replaced in future design by 4
`connector similar to the top connector design
`which aliens with the Initiator and allows a
`hands-free insertion of the initiator module.
`
`Fig. 5: End of loading tube
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 004
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 004
`
`
`
`Sg5O28
`
`pBigggpvwoeee
`
`maouo4Qo£
`
`ua|:igYyfpaiEaobe)
`ato:é=me&oy&aNDeyoeBgmeDFo4dGofoeegBesBobapetoe808
`-ae8/aae)
`oo”“tA=O28EE
`
`Py
`
`eyvfyaoe
`
`Se
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 005
`
`
`
`
`
`more
`
`more
`
`
`
`
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`
`
`Embodiments of
`
`the present disclosure,
`
`as
`
`shown above and
`
`
`described below, may be used in extended reach pump down frac
`
`applications,
`
`among other applications.
`
`
`
`
`
`the present disclosure may include one or
`Embodiments of
`
`
`
`
`of the following features:
`
`
`
`Low cost;
`
`Simple assembly - eliminates technique sensitive wiring or
`
`
`need for special tools;
`
`Highly integrated, which reduces overall gun length;
`
`Molded plastic pieces
`
`
`for complex shaped parts to reduce
`
`cost;
`
`Optimized to survive gun shock and transportation/handling
`
`shock;
`
`
`Ballistic interrupt
`
`
`
`safety;
`
`
`of
`
`eclipse module
`
`improves product
`
`
`Design
`
`
`of
`
`dedicated wiring passage, wire
`
`holders’
`
`and
`
`connectors eliminates pinched/damaged wires;
`
`
`Elimination of
`
`gun adapters eliminates
`
`
`field wiring and
`
`associated reliability problems;
`
`
`
`
`Loading tube centralized by bulkhead features eliminates
`
`
`shock failures; and
`
`
`Shock absorber at ends of loading tubes.
`
`
`
`the present disclosure may include one or
`Embodiments of
`
`
`
`
`
`of the following features:
`
`Carriers screw directly into each other
`
`(no adapters in gun
`
`string);
`
`All
`
`components are disposable
`
` eliminates the need to use, clean &
`
`(single run in hole) This
`
`redress gun adapters,
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 006
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 006
`
`
`
` Bulkhead
`
`multi-gun strings;
`
`
`is
`
`held between
`
`total
`
`gun
`
`string shorter
`
`in
`
`two
`
`carriers when
`
`they
`
`are
`
`
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`eliminating service quality problems caused by damaged seal
`
`
`surfaces on used adapters;
`
`Eliminating adapters makes
`
`threaded together;
`
`Disposable bulkheads have coaxial
`
`
`feedthroughs that
`
`thread
`
`into the bulkhead. They hold pressure in both directions.
`
`Loading tube is centralized by the bulkhead;
`
`A loading tube
`
`that
`
`is
`
`supported against
`
`a bulkhead on
`
`either side;
`
`A loading tube that
`
`is not
`
`loaded in tension and may be
`
`loaded in compression;
`
`A pre-wired steel loading tube;
`
`A steel
`
`loading tube having push in wire holders to retain
`
`shooting wires;
`
`A steel loading tube with connectors on either end;
`
`A
`
`steel
`
`loading
`
`tube
`
`containing
`
`the
`
`initiator
`
`and
`
`addressable switch;
`
`A steel
`
`
`loading tube having features allowing access to the
`
`
`
`detonator and connectors contained within;
`
`A
`
`single
`
`firing module
`
`containing
`
`addressable
`
`switch,
`
`detonator, and connectors;
`
`
`A gun system not requiring any field wiring at the gun shop
`
`or at the wellsite;
`
`
`The use of
`
`a ballistic interrupt
`
`in a steel
`
`loading tube
`
`
`that can be visually verified;
`
`The
`
`use
`
`
`of
`
`an
`
`automated ballistic
`
`interrupt
`
`in
`
`a
`
` perforating gun;
`
`A phosphate coating;
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 007
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 007
`
`
`
`Holes
`
`to retain the wire holders
`
`and give
`
`the wires
`
`a
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`dedicated path through the gun;
`
` Initiator
`
`and upper connector
`
`that slides into a
`
`shaped
`
`
`profile bulkhead acts as part of a centralizing assembly;
`
`
`
`
`
`
`The
`
`initiator assembly having pop-out
`
`retaining tabs that
`
`hold it in place;
`
`The
`
`initiator can be eclipse as
`
`shown in this document or
`
`
`based on an RF safe “Julia” design. The Julia initiator may
`
`given the
`same mechanical
`
`shape so it can be installed
`
`be
`
`
`as a drop in alternative RF safe initiator;
`
`
`different
`
`The
`
`gun
`
`can
`
`be
`
`assembled
`
`in
`
`
`
`lengths
`
`and
`
`diameters;
`
`Multiple guns can be combined in the same string;
`
`The Assembly can be keyed to the bulkhead and the bulkhead
`
`keyed to the carrier to align/orient the charges; and
`
`The charges can be arranged in a helix as shown or
`
`in any
`
`
`
`pattern.
`
`The preceding description has been presented with reference
`
`
`
`to presently preferred embodiments of
`
`the present disclosure.
`
`
`
`Persons
`
`
`
`
`skilled in
`
`the
`
`art
`
`and
`
`technology
`
`to which
`
`this
`
`
`
`
`disclosure pertains will appreciate that alterations and changes
`
`in the described structures
`
`and methods of operation can be
`
`
`practiced without meaningfully departing from the principle, and
`
`
`
`
`scope of this disclosure.
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 008
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 008
`
`
`
`
`CLAIMS:
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`1.
`
`
`A perforating gun
`
`assembly comprising an
`
`integrated
`
`initiator.
`
`2.
`
`3.
`
`
`A perforating gun substantially as described herein.
`
`
` forating a wellbore substantially
`A gun system for peri
`
`as described herein
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 009
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 009
`
`
`
`Provisional Patent Application
`Attorney Docket Number IS12.3369-US-PSP
`
`PERFORATING GUN WITH INTEGRATED INITIATOR
`
`
`
`
`u
`
`SCLOSURE
`ABSTRACT OF THE
`
`
`
`
`A perforating gun assembly is provided that
`
`includes
`
`an
`
`integrated initiator.
`
`10
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 010
`
`Hunting Titan, Inc.
`Ex. 1020
`Pg. 010
`
`
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