Perforation Design
Design and evaluate perforation programs for oil and gas wells including conventional single-zone and multi-cluster horizontal completions. Covers perforation phasing selection for casing stress and flow efficiency, shot density optimization, penetration depth correction from API RP 19B Berea surface test to in-situ conditions using rock strength and overburden adjustment, total perforation skin calculation using the Karakas-Tariq equations including phasing skin and wellbore skin components, underbalanced versus overbalanced perforating selection criteria and surge flow calculation, and limited entry perforation design for multi-cluster horizontal completions including friction-based diversion, entry hole velocity, and cluster-to- cluster distribution efficiency. Use when selecting gun and charge systems, calculating total skin from perforations, designing limited entry completions, evaluating perforation cluster efficiency, or optimizing stage design in horizontal wells. Trigger phrases include perforation skin, McLeod equation, shot density, phasing selection, limited entry design, cluster efficiency, underbalanced perforating, entry hole diameter, penetration depth correction, or perforation friction diversion.
Security AStatic scan found no risk patternsHow grading works ›
From the source SKILL.md
Completions engineering skill covering perforation design for vertical and horizontal wells, skin calculations, underbalance criteria, and limited entry design for multi-cluster hydraulic fracturing.
What this skill does
Perforation Design is a community-contributed Claude Code skill in the general-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/perforation-design/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when selecting gun and charge systems, calculating total skin from perforations, designing limited entry completions, evaluating perforation cluster efficiency, or optimizing stage design in horizontal wells. Trigger phrases include perforation skin, McLeod equation, shot density, phasing selection, limited entry design, cluster efficiency, underbalanced perforating, entry hole diameter, penetration depth correction, or perforation friction diversion.
Who uses this skill
The Perforation Design Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 196,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
How to install
Free
Manual install (2 steps)
mkdir -p ~/.claude/skills/perforation-design
curl -L https://claudskills.com/skills/perforation-design/SKILL.md \
-o ~/.claude/skills/perforation-design/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/perforation-design/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/perforation-design/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\perforation-design\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 Install from your phone or desktop Telegram
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
Pro
One-click install via the desktop app
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Pro
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Frequently asked questions
How do I install the Perforation Design Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/perforation-design/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Perforation Design skill do?
Design and evaluate perforation programs for oil and gas wells including conventional single-zone and multi-cluster horizontal completions. Covers perforation phasing selection for casing stress and flow efficiency, shot density optimization, penetration depth correction from API RP 19B Berea surface test to in-situ conditions using rock strength and overburden adjustment, total perforation skin calculation using the Karakas-Tariq equations including phasing skin and wellbore skin components, underbalanced versus overbalanced perforating selection criteria and surge flow calculation, and limited entry perforation design for multi-cluster horizontal completions including friction-based diversion, entry hole velocity, and cluster-to- cluster distribution efficiency. Use when selecting gun and charge systems, calculating total skin from perforations, designing limited entry completions, evaluating perforation cluster efficiency, or optimizing stage design in horizontal wells. Trigger phrases include perforation skin, McLeod equation, shot density, phasing selection, limited entry design, cluster efficiency, underbalanced perforating, entry hole diameter, penetration depth correction, or perforation friction diversion.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Perforation Design skill?
Use Perforation Design when your Claude Code task falls under the General category — specifically in the general misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Perforation Design" or describe the task and let Claude pick). Browse related skills at
/category/general/.
What is a Claude Code skill and how does the Perforation Design skill fit in?
A Claude Code skill is a
SKILL.md file that lives under
~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Perforation Design is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at
/learn/what-is-a-claude-skill/.
Attribution & license
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
jpfielding. (2026). Perforation Design [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/perforation-design/
BibTeX
@misc{perforation-design-2026,
author = {jpfielding},
title = {Perforation Design [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/perforation-design/}
}Embed this skill
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Security scan
Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
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